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Orthocomplemented lattice An orthocomplemented lattice is an algebraic structure consisting of a bounded lattice <L, vee, wedge, 0, 1 > along with a unary function perp : L rightarrow L called an orthocomplementation. This function must satisfy for any a,b in L
Orthocone An orthocone is a usually long straight shell of a nautiloid cephalopod. During the 18th and 19th centuries, all shells of this type were named Orthoceras, but it is now known that many groups of nautiloids developed or retained this type of shell.
Orthodontic expander An orthodontic expander also know as a palate expander or RPE for rapid palate expander is used to widen the upper jaw. This can only be done when the patient is still growing or surgery is involved to separate the two halves of the palate.
Orthodontic jaw wiring Orthodontic jaw wiring is a fixed intra-oral, bio-mechanical device and method for treating and controlling compulsive overeating and obesity. The device is composed of orthodontic brackets attached to the teeth, and pliable wire wrapped either around or through the brackets.
Orthodontic Technology Orthodontic Technology is a specialty of dental technology that is concerned with the design and fabrication of dental appliances for the treatment of malocclusions, which may be a result of tooth irregularity, disproportionate jaw relationships, or both.
Orthodontics Orthodontics is a specialty of dentistry that is concerned with the study and treatment of malocclusions (improper bites), which may be a result of tooth irregularity, disproportionate jaw relationships, or both. The word comes from the Greek words ortho meaning straight and odons meaning tooth.
Orthodox Bahá'Ă Faith The Orthodox Bahá'Ă Faith is a Bahá'Ă division which formed circa 1961 as the Orthodox Bahá'Ăs Under the Hereditary Guardianship which was founded by Mason Remey. It was in 1969 that it came under the leadership of Joel Marangella, who claimed to be the legitimate successor to Mason Remey, who had himself separated from the Bahá'Ă Faith in 1960.
Orthodox Christian Mission Center The Orthodox Christian Mission Center (OCMC) is an Orthodox Christian missions organization based in the United States and supported by all the jurisdictions of the Standing Conference of Orthodox Bishops in America (SCOBA).
Orthodox Christian Reformed Church The Orthodox Christian Reformed Church (OCRC) is a theologically conservative federation of churches in the Dutch Calvinist tradition. These churches confess the Bible to be the Word of God and believe it is faithfully summarized by the Belgic Confession, Heidelberg Catechism, and Canons of Dort.
Orthodox Church in America Albanian Archdiocese The Orthodox Church in America Albanian Archdiocese is one of three ethnic dioceses of the Orthodox Church in America (OCA). Its territory includes parishes, monasteries, and missions located in seven states in the United States – California, Connecticut, Massachusetts, Michigan, New York, Ohio, and Pennsylvania.
Orthodox Church in America Archdiocese of Canada The Orthodox Church in America Archdiocese of Canada is a archdiocese of the Orthodox Church in America (OCA). Its territory includes parishes, monasteries, and missions located in eight provinces and territories in Canada – Alberta, British Columbia, Manitoba, Nova Scotia, Ontario, Quebec, Saskatchewan, and Yukon.
Orthodox Church in America Bulgarian Diocese The Orthodox Church in America Bulgarian Diocese is one of three ethnic dioceses of the Orthodox Church in America (OCA). Its territory includes parishes, monasteries, and missions located in six states in the United States, as well as one province in Canada – California, Illinois, Indiana, Kansas, Michigan, Ohio, Ontario, and Washington, D.
Orthodox Church in America Diocese of Eastern Pennsylvania The Orthodox Church in America Diocese of Eastern Pennsylvania is a diocese of the Orthodox Church in America (OCA). Its territory includes parishes, monasteries, and missions located in two states in the United States – Delaware and Pennsylvania.
Orthodox Church in America Diocese of New England The Orthodox Church in America Diocese of New England is a diocese of the Orthodox Church in America (OCA). Its territory includes parishes, monasteries, and missions located in six states in New England – Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont.
Orthodox Church in America Diocese of the Midwest The Orthodox Church in America Diocese of the Midwest is a diocese of the Orthodox Church in America (OCA). Its territory includes parishes, monasteries, and missions located in eleven states in the Midwestern United States – Iowa, Illinois, Indiana, Kansas, Michigan, Minnesota, Missouri, North Dakota, Nebraska, Ohio, and Wisconsin.
Orthodox Church in America Diocese of the South The Orthodox Church in America Diocese of the South is a diocese of the Orthodox Church in America (OCA). Its territory includes parishes, monasteries, and missions located in fourteen states in the Southern and Southwestern United States – Alabama, Arkansas, Florida, Georgia, Kentucky, Louisiana, Mississippi, New Mexico, North Carolina, Oklahoma, South Carolina, Tennessee, Texas, and Virginia.
Orthodox Church in America Diocese of the West The Orthodox Church in America Diocese of the West is a diocese of the Orthodox Church in America (OCA). Its territory includes parishes, monasteries, and missions located in eight states in the Western United States – Arizona, California, Colorado, Hawaii, Montana, Nevada, Oregon, and Washington.
Orthodox Church in America Diocese of Washington and New York The Orthodox Church in America Diocese of Washington and New York is a diocese of the Orthodox Church in America (OCA). Its territory includes parishes, monasteries, and missions located in five states in the Northeastern United States (as well as Washington, D.
Orthodox Church in America Diocese of Western Pennsylvania The Orthodox Church in America Diocese of Western Pennsylvania is a diocese of the Orthodox Church in America (OCA). Its territory includes parishes, monasteries, and missions located in three states in the United States – Pennsylvania, Ohio, and the entirety of West Virginia.
Orthodox Church in America Exarchate of Mexico The Orthodox Church in America Exarchate of Mexico is a missionary diocese of the Orthodox Church in America (OCA). Its territory includes parishes, monasteries, and missions located in four states in Mexico (as well as the Mexican Federal District) – Chiapas, México, Jalisco, and Veracruz.
Orthodox Church in America Parishes in Australia The Orthodox Church in America Parishes in Australia refers to an administrative district of the Orthodox Church in America (OCA) located within two states in Australia – New South Wales and Queensland. The parishes are under the direct authority of Metropolitan Herman (Swaiko).
Orthodox Church in America Romanian Episcopate The Orthodox Church in America Romanian Episcopate is one of three ethnic dioceses of the Orthodox Church in America (OCA), and a former diocese of the Romanian Orthodox Church. Its territory includes parishes, monasteries, and missions located in 26 states in the United States, as well as eight provinces in Canada – Alberta, Arizona, British Columbia, California, Colorado, Connecticut, Florida, Georgia, Illinois, Indiana, Louisiana, Manitoba, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New Mexico, Nevada, New York, Ohio, Ontario, Oregon, Pennsylvania, Quebec, Rhode Island, Saskatchewan, Tennessee, Texas, Virginia, and Washington.
Orthodox Church in America Stavropegial Institutions Orthodox Church in America Stavropegial Institutions are churches, monastic communities, and theological schools under the direct supervision of the Orthodox Church in America's primate, currently Metropolitan Herman (Swaiko). The Stavropegial Institutions are located in three states in the United States and one Canadian province – California, New York, Ontario, and Pennsylvania.
Orthodox Church in Italy The Orthodox Church in Italy (Chiesa Ortodossa in Italia) was founded in 1991 by Italian orthodox bishop Antonio De Rosso, a former Roman Catholic priest, who became bishop of Aprilia and Lazio under the jurisdiction of Metropolitan Cyprian of Oropos and Fili, a leader of Greek Old Calendarists movement. In 1993 the church joined Bulgarian Orthodox Church and in 1995 bishop Antonio was enthroned bishop of Ravenna and Italy.
Orthodox Judaism Orthodox Judaism is the formulation of Judaism that adheres to a relatively strict interpretation and application of the laws and ethics first canonized in the Talmudic texts ("The Oral Law") and as subsequently developed and applied by the later authorities known as the Gaonim, Rishonim, and Acharonim.
Orthodox Marxism Orthodox Marxism is the term used to describe the version of Marxism which emerged after the death of Karl Marx and acted as the official philosophy of the Second International up to the First World War and of the Third International thereafter. Orthodox Marxism seeks to simplify, codify and systematise Marxist thought, ironing out ambiguities and contradictions.
Orthodox Ohrid Archbishopric The Orthodox Ohrid Archbishopric ( Pravoslavna Ohridska Arhiepiskopija) was formed in 2002 following a failure in negotiations between the Serbian Orthodox Church and the canonically-unconstitutional and unrecognized Macedonian Orthodox Church (MOC). Whereas the Holy Synod of the MOC rejected the so-called Niš agreement, one bishop broke ranks and agreed to form the autonomous church under the tutelage of the Patriarchate of Pec.
Orthodox Presbyterian Church The Orthodox Presbyterian Church (OPC) was founded by conservative Presbyterians who revolted against the modernist theology within the Presbyterian Church in the United States of America (PCUSA) during the 1930s. Led by J.
Orthodox Study Bible (Eastern Orthodox) The Orthodox Study Bible is a translation and annotation of the Christian Bible currently in production by clergy and laity within the Orthodox Church. The text of the New Testament & Psalms translation is currently the New King James Version accompanied by Orthodox viewpoint commentary.
Orthodox Trotskyism Orthodox Trotskyism is a branch of Trotskyism which aims to adhere more closely to the philosophy, methods and positions of Trotsky and the early Fourth International, Lenin, and Marx than other Trotskyists. In particular, it holds that the Soviet Union was a degenerated workers' state and other similar societies are deformed workers' states.
Orthodox Union The Union of Orthodox Jewish Congregations of America (UOJCA), more popularly known as the Orthodox Union, or OU, is one of the oldest Orthodox Jewish organizations in the United States. It is best known for its kosher supervision service, with the circled-U symbol found on the labels of many commercial and consumer food products.
Orthodox-Catholic Church of America (OCCA) The Orthodox-Catholic Church of America (OCCA) is an independent, self-governing Orthodox jurisdiction active primarily in the United States, but with clergy in the United Kingdom and Australia as well. It is governed by a synod of diocesan bishops (currently 6) and a Metropolitan Archbishop.
Orthodoxy The word orthodoxy, is mainly associated with the Greek Orthodox Church which is the principle soma of the original Christian church. After the schizm between the Papacy and the Church both parties refered to themselves as Katholikoi (Catholic), however, the church already established its Kathos or Kathlisomos through the Symbol of Faith known as the Creed.
Orthodoxy in Bulgaria The Orthodox Christianity has deep roots in Bulgaria, dating back to the 5th and 7th centuries, when the Slavs and the Bulgars, respectively, were converted to Christianity by the Byzantine Empire. Prior to that date, Christianity had spread in the area during the Roman and early Byzantine times.
Orthodoxy in the Republic of Ireland Although Orthodox historians currently attempt to claim that the Celtic Church was Orthodox, the best documented presence of Orthodoxy in Ireland dates from the aftermath of the Russian Revolution. White Russian refugees arrived in small numbers and settled throughout the country.
Orthogastropoda In their work, which has become a standard reference in the field, Ponder and Lindberg (1997) showed that the Orthogastropoda is one of two subclasses of the Gastropoda the class of molluscs, the other subclass being the Eogastropoda.
Orthogenesis Orthogenesis, orthogenetic evolution or autogenesis, is the hypothesis that life has an innate tendency to move in a unilinear fashion due to some internal or external "driving force". The hypothesis is based on essentialism, finalism and cosmic teleology and proposes an intrinsic drive which slowly transforms species.
Orthognathic surgery Orthognathic surgery is surgery to correct conditions of the jaw and face related to structure, growth, sleep apnea, or to assist in orthodontic treatment. Bones can be cut and re-aligned, held in place with plates and screws.
Orthogonal array The Orthogonal array (OA) based testing is a systematic, statistical way of testing. Orthogonal arrays could be applied in user interface testing, system testing, regression testing, configuration testing and performance testing.
Orthogonal complement In the mathematical fields of linear algebra and functional analysis, the orthogonal complement W^bot of a subspace W of an inner product space V is the set of all vectors in V that are orthogonal to every vector in W, i.e.
Orthogonal convex hull In Euclidean geometry, a set KsubsetR^n is defined to be orthogonally convex if, for every line L that is parallel to one of the axes of the Cartesian coordinate system, the intersection of K with L is empty, a point, or a single interval. The orthogonal convex hull of a set SsubsetR^n is the intersection of all connected orthogonally convex supersets of S.
Orthogonal Defect Classification Orthogonal Defect Classification (ODC) was invented by IBM Research to establish a "foundation for providing analysis and feedback of defect data targeting quality issues in software design and code in a procedural language environment".
Orthogonal frequency-division multiplexing Orthogonal Frequency-Division Multiplexing (OFDM) — essentially the same thing as Coded OFDM (COFDM) or discrete multitone modulation (DMT) — is a digital multi-carrier modulation scheme, which uses a large number of closely-spaced orthogonal sub-carriers. Each sub-carrier is modulated with a conventional modulation scheme (such as quadrature amplitude modulation) at a low symbol rate, maintaining data rates similar to conventional single-carrier modulation schemes in the same bandwidth.
Orthogonal group In mathematics, the orthogonal group of degree n over a field F (written as O(n,F)) is the group of n-by-n orthogonal matrices with entries from F, with the group operation that of matrix multiplication. This is a subgroup of the general linear group GL(n,F) given by
Orthogonal projection In geometry, an orthogonal projection of a k-dimensional object onto a d-dimensional hyperplane (d < k) is obtained by intersections of (k â’ d)- dimensional hyperplanes drawn through the points of an object orthogonally to the d-hyperplane. In particular, an orthogonal projection of a three-dimensional object onto a plane is obtained by intersections of lines drawn through all points of the object orthogonally to the plane of projection.
Orthogonal variable spreading factor Orthogonal variable spreading factor (OVSF) is an implementation of Code division multiple access (CDMA) where before each signal is transmitted, the spectrum is spread through the use of a user's code. User's codes are carefully chosen to be mutually orthogonal to each other.
Orthogonality (term rewriting) Orthogonality as a property of term rewriting systems describes where the reduction rules of the system are all left-linear, that is each variable occurs only once on the left hand side of each reduction rule, and there is no overlap between them.
Orthogonalization In linear algebra, orthogonalization means the following: We start with a linearly independent set of vectors {v1,...,vk} in an inner product space (most commonly the Euclidean space Rn), and we want to find a set of pairwise orthogonal vectors {u1,...
Orthographic projection (cartography) Orthographic projection is a map projection of cartography. Like the Stereographic projection and Gnomonic projection, Orthographic projection is a perspective (or azimuthal) projection, in which the sphere is projected onto a tangent plane or secant plane.
Orthographical variant In biological nomenclature, an orthographical variant is a variant spelling of the same name. The spellings Hieronyma, Hieronima and Hyeronima are different spellings of one and the same name, which has a single date of publication.
Orthography The orthography of a language is the set of symbols (glyphs and diacritics) used to write a language, as well as the set of rules describing how to write these glyphs, including spelling, punctuation, and capitalization. The term is derived from Greek ÎżĎθά ortha- ("correctly") and ÎłĎάφειν graphein ("to write").
Orthokeratology Orthokeratology (Ortho-K) is the use of rigid gas-permeable contact lenses, normally worn only at night, to improve vision through the reshaping of the cornea. This method can be used as an alternative to eyeglasses, refractive surgery, or for those desiring to not wear contact lenses during the day.
Orthomode transducer Orthomode transducer also known as the polarization diplexer is a device forming part of an antenna feed and serving to combine or separate orthogonally polarized signals. These transducers are used in dual-polarized radar antennas, radiometers, and communications links.
Orthomolecular medicine Optimum nutrition and orthomolecular medicine are nutritional health and medical approachesThe War Against Vitamin Therapy doctoryourself.com , Andrew Saul, PhD - Accessed, August 2006 which posit that many diseases and abnormalities result from various chemical imbalances or deficiencies and can be prevented, treated, or sometimes cured by achieving optimal levels of naturally occurring chemical substances, such as vitamins, dietary minerals, enzymes, antioxidants, amino acids, lipotropes, essential fatty acids, prohormones, dietary fiber and intestinal short chain fatty acids.
Orthomolecular psychiatry Orthomolecular psychiatry is a branch of orthomolecular medicine that believes that specific dietary supplements and measures may be effective in treating mental illness. Specific techniques commonly employed include individual biochemical workup, dietary measures, (juice) fasting, supplementation of essential nutrients especially vitamins C and B-3, minerals and identifying allergies.
Orthonormal frame In Riemannian geometry and relativity theory, an orthonormal frame is a tool for studying the structure of a differentiable manifold equipped with a metric. If M is a manifold equipped with a metric g, then an orthonormal frame at a point P of M is a basis of the tangent space at P consisting of vectors which are orthonormal with respect to the bilinear form gP.
Orthonormality In linear algebra, two vectors in an inner product space are orthonormal if they are orthogonal (their inner product is 0) and both of unit length (the norm of each is 1). A set of vectors which is pairwise orthonormal (any two vectors in it are orthonormal) is called an orthonormal set.
Orthonychidae The Orthonychidae is a family of birds with a single genus, Orthonyx, which comprises of two species of passerine birds endemic to Australia and New Guinea, the Logrunner and the Chowchilla. Some authorities consider the Australian family Cinclosomatidae to be part of the Orthonychidae.
Orthopaedic nursing Orthopaedic nursing is a nursing specialty focused on the prevention and treatment of musculoskeletal disorders. Orthopaedic issues range from acute problems such as fractures or hospitalization for joint replacement to chronic systemic disorders such as loss of bone density or lupus erythematosus.
Orthopantomogram An Orthopantomogram or OPG is a panoramic scanning radiograph of the upper and lower jaws. Also known as an "orthopantogram" or "panorex", this x-ray scan illustrates the maxilla and mandible, all the teeth including the "wisdom teeth," the frontal, nasal and maxillary sinus air spaces and the tempormandibular joint complex or "TMJ".
Orthopedic Foundation for Animals The Orthopedic Foundation for Animals (OFA) is a not-for-profit organization based in Columbia, Missouri that aims to research and prevent orthopedic and hereditary diseases in animals. It focuses on dogs, though also studies other companion animals such as cats.
Orthopedic surgery Orthopedic surgery or orthopedics (also spelled orthopaedics, see below) is the branch of surgery concerned with acute, chronic, traumatic, and overuse injuries and other disorders of the musculoskeletal system. Orthopedic surgeons address most musculoskeletal ailments including arthritis, trauma and congenital deformities using both surgical and non-surgical means.
Orthophoto An orthophoto or orthophotograph is an aerial photograph that has been geometrically corrected ("orthorectified") such that the scale of the photograph is uniform, meaning that the photo can be considered equivalent to a map. Unlike an aerial photograph, an orthophotograph can be used to measure true distances, because it is an accurate representation of the earth's surface, having been adjusted for topographic relief, lens distortion, and camera tilt.
Orthopoxvirus Orthopox viruses include many species isolated from non-human mammals, such as Camelpox virus, Cowpox virus, Ectromelia virus (Mousepox virus), Monkeypox virus, Raccoonpox virus, Taterapox virus (African gerbil), Vaccinia virus (no natural reservoir), Buffalopox virus, Rabbitpox virus, Variola virus (Humans, Smallpox), Volepox virus, Skunkpox virus, and Uasin Gishu disease virus (African horses).
Orthoptera The Orthoptera are an order of insects with incomplete metamorphosis, including the grasshoppers, crickets and locusts. Many insects in this order produce sound (known as a "stridulation") by rubbing their wings against each other or their legs, the wings or legs containing rows of corrugated bumps.
Orthopterists' Society The Orthopterists' Society (formerly the Pan American Acridological Society) is an international scientific organization devoted to facilitating communication among those interested in Orthoptera and related organisms. The Society currently has 330 members from 43 countries on six continents.
Orthoptics Orthoptics (from the Greek words ortho meaning "straight", and optikas meaning "vision" is the discipline dealing with the diagnosis and treatment of defective eye coordination, binocular vision], and functional [[amblyopia by non-pharmaceutical and non-surgical methods, e.g.
Orthorexia nervosa Orthorexia, or orthorexia nervosa is a term coined by Dr. Steven Bratman, a Colorado MD, to denote what he considers to be an eating disorder characterized by a "fixation" on eating healthful food, which can ultimately lead to death.
Orthorhombic crystal system In crystallography, the orthorhombic crystal system is one of the 7 lattice point groups. Orthorhombic lattices result from stretching a cubic lattice along two of its lattice vectors by two different factors, resulting in a rectangular prism with a rectangular base (a by b, which is different from a) and height (c, which is different from a and b).
Orthorrhapha Orthorrhapha is a circumscriptional name which historically was used for an infraorder of Brachycera, one of the two suborders into which the order Diptera, the flies, are divided. As the group was paraphyletic, it has not been used in classifications in the last decade, and is effectively obsolete, though many catalogs, checklists, and older works still contain the name.
Orthosiphon Orthosiphon stamineus (Malay: misai kucing) is a traditional herb that is widely grown in tropical areas. The two general species, Orthosiphon stamineus “purple" and Orthosiphon stamineus “white” have essential medicinal properties able to treat diabetes, kidney and urinary disorders, high blood pressure and bone or muscular pain.
Orthostatic hypotension Orthostatic hypotension (also known as postural hypotension and, colloquially, as head rush) is a sudden fall in blood pressure, typically greater than 20/10 mm Hg, that occurs when a person assumes a standing position.
Orthotic Prosthetic Center The Orthotic Prosthetic Center (OPC) is a family owned and operated prosthetics lab with offices in Fairfax, Virginia and Rockville, Maryland. The company is also featured on Rebuilt: The Human Body Shop, a reality TV show that debuted in January 2006 on the Discovery Health Channel.
Orthotics Orthotics is the medical field concerned with the application and manufacture of orthoses, devices which support or correct the function of a limb or the torso. More recently, the term cognitive orthotics has been applied to assistive technology to correct cognitive functions.
Orthotropic deck An orthotropic bridge or orthotropic deck is one whose deck typically comprises a structural steel deck plate stiffened either longitudinally or transversely, or in both directions. This allows the deck both to directly bear vehicular loads and to contribute to the bridge structure's overall load-bearing behaviour.
Orthotropics Orthotropics (see Biobloc) is a branch of dentistry concerned with correct growth of the face and jaws. The majority of people raised in highly civilised societies have downward growing jaws associated with flat faces, large noses, sloping foreheads and crooked teeth.
Orthovoltage X-rays Orthovoltage X-rays are produced by linear accelerators operating at voltages in the 200–500 kV range, and therefore an energy in the 200–500 keV range (see External beam radiotherapy for an explanation of the maximum and mean energies as a function of voltage). When used to treat patients, radiation oncologists find that they penetrate to a useful depth of about 4–6 cm.
Orthrus In Greek mythology, Orthrus (also called Orthros, Orthos, Orthus, Orth and Orphus) was a two-headed dog and a doublet of Cerberus, both whelped by the chthonic monster Echidne by Typhon. "Orthus has a phallic name that means 'Upright-erect' and is a herm-like figure; and as for his two heads, presumably one looked backward.
Ortigas Center Ortigas Center is the second most important commercial and business district in Metro Manila, Philippines. With an area of at least 100 hectares, the district is located at the boundary of Pasig City, Mandaluyong City, and Quezon City.
Ortigueira Ortigueira, a seaport and borough of Ferrolterra in North-western Spain, in the Province of A Coruña; on the northern slope of the Serra da Faladoira, on the river Mera and on the eastern shore of the Ria de Santa Marta--a winding, rock-bound and much indented inlet of the Bay of Biscay, between Capes Ortegal and Bares, the northernmost headlands of the Peninsula.
Ortigueira's Festival of Folk Music Saint Martha of Ortigueira's Day: Celebrated every 29th July, is the second most important day in the calendar of summer time Festivities celebrated in this locality, as in recent years the Ortigueira's Festival of Folk Music, which is celebrated every year a few weeks earlier, has been extended to four days (i.e.
Ortley Ortley (better known in the Southern United States as the White Bellflower) is a variety of apple, medium in size, and light green to yellow in color. Usually ripening for a late fall harvest, it was developed in New Jersey, and was first commercially produced in 1825.
Ortley, Oregon Ortley is a former town in Wasco County, Oregon, USA, originally developed by the Hood River Orchard & Land Company which filed a plat for the townsite in 1911, naming it for the Ortley, a variety of apple. The company sold town lots and small orchard parcels, and the town quickly grew to a population of 300, and included a post office, several shops and a hotel.
Orto botanico di Padova The Orto Botanico di Padova is the world's oldest academic botanical garden that is still in its original location. (Officially, the oldest university botanical garden is the Orto botanico di Pisa, which was founded in 1544; however, that garden was relocated twice and has only occupied its current, and now-permanent, location since 1591.
Orto botanico di Palermo The Orto Botanico di Palermo (Palermo Botanical Garden) is both a botanic garden and a research and educational institution forming part of, and managed by, the Department of Botany within the University of Palermo.
Orto botanico di Pisa The Orto botanico di Pisa, also known as the Orto Botanico dell'UniversitĂ di Pisa, is a botanical garden operated by the University of Pisa, and located at via Luca Ghini 5, Pisa, Italy. It is open weekday mornings without charge.
Orto Botanico Comunale di Lucca The Orto Botanico Comunale di Lucca is a botanical garden located at Via del Giardino Botanico, 14, Lucca, Italy, and operated by the city. It is open daily during the warmer months, and weekday mornings off-season.
Orto Botanico di Parma The Orto Botanico di Parma, also known as the Orto Botanico dell'UniversitĂ di Parma, is a botanical garden maintained by the University of Parma. It is located on the Viale delle Scienze, Parma, Italy, and open daily without charge.
Ortolan Bunting The Ortolan, or Ortolan Bunting, Emberiza hortulana, is a bird in the bunting family Emberizidae, a passerine family now separated by most modern authors from the finches, Fringillidae. The bird's common name is French, from the Latin hortulanus, the gardener bird, (from hortus, a garden).
Orton Island (Queensland) Orton Island is an island about 1 km South East of Cape Grenville in the Great Barrier Reef Marine Park Queensland, Australia, in Temple Bay about 200km North East of Iron Range National Park and LockhartRiver in the Cape York Peninsula.
Orton Longueville School Orton Longueville School is a Secondary Comprehensive in Peterborough. The school population at the beginning of the 2006/7 academic year stood at just under 1,100 - a slight drop in pupils due to a reduced intake from year 7.
Orton on the Hill Orton on the Hill, from its high situation on a hill overlooking four counties, (also formerly called Wortone or Overtone) a parish in Sparkenhoe Hundred, Leicestershire. Orton adjoins Morebarne, Sheepy and Newhouse Grange on the south, Appleby and Austrey to the east.
Oru Kalluriyin Kathai Oru Kalluriyin Kathai (2005), starring Arya and Sonia Agarwal is a Tamil movie, directed by Nandha Periyasamy. Santhanam, Mouli, Charlie, Charuhaasan, Raja and 'Nizhalgal' Ravi played significant roles in the movie.
Oruanui eruption The Oruanui eruption of the Taupo volcano is the most recent known supervolcanic eruption that reached a VEI of 8 and is the world's largest known eruption in the past 70,000 years. It occurred around 26,500 Before Present in Late Pleistocene and generated approximately 430 kmÂł of fall deposits, 320 kmÂł of pyroclastic density-current (PDC) deposits (mostly ignimbrite) and 420 kmÂł of primary intracaldera material, equivalent to 530 kmÂł of magma.
Oruç Baba Oruc Baba is a Turkish name, came from "oruc", which means "fasting" and "baba" means "father". Oruc Baba as a Muslim prominent in Ottoman Empire lived in middle ages in that empires land, especially in capital Istanbul.
Oruchuban Ebichu Oruchuban Ebichu (or Ebichu Minds the House, in Japanese: ăŠă‚‹ăˇă‚…ă°ă‚“エă“ăˇă‚…) is an anime produced by Gainax (the company responsible for Neon Genesis Evangelion) and directed by Hideaki Anno, and is based on the manga by Risa Ito that was published by Futabasha Publishers. It first aired as six eight minutes episodes in 1999 as one third of the show Modern Love's Silliness.
Orun & Natarajan Satellite Sensor Model Orun & Natarajan Satellite Sensor model was developed by Dr. Ahmet Bahadir ORUN (1990, Oxford Brookes University) which is very distinguished one among others and currently used for various satellite imagery such as KOMPSAT, SPOT, IKONOS, etc.
Orussidae The family Orussidae (the sole living member of the superfamily Orussoidea) is the only Symphytan group which is parasitic, thus giving them the common name parasitic wood wasps. They are an ancient group, well-represented in the fossil record, and are believed to represent a sort of "missing link" within the order Hymenoptera, as they are often considered to be the sister taxon to the Apocrita.
Orval Abbey Orval Abbey is a Cistercian monastery founded in 1132 in the Gaume region of Belgium and is located in Villers-devant-Orval, part of Florenville in the province of Luxembourg. The abbey is well-known for its history and spiritual life but also for its local production of a Trappist beer (see Brasserie d'Orval) and a specific cheese.
Orval Tessier Orval Tessier (Born - June 30, 1933 in Cornwall, Ontario, Canada) is a retired Canadian Professional Hockey Centerman and Coach who played 3 seasons in the National Hockey League for the Montreal Canadiens and Boston Bruins and who coached for 3 seasons in the National Hockey League with the Chicago Black Hawks. He won the Stanley Cup in 2001 with the Colorado Avalanche while serving as a scout for the team.
Orthocone An orthocone is a usually long straight shell of a nautiloid cephalopod. During the 18th and 19th centuries, all shells of this type were named Orthoceras, but it is now known that many groups of nautiloids developed or retained this type of shell.
Orthodontic expander An orthodontic expander also know as a palate expander or RPE for rapid palate expander is used to widen the upper jaw. This can only be done when the patient is still growing or surgery is involved to separate the two halves of the palate.
Orthodontic jaw wiring Orthodontic jaw wiring is a fixed intra-oral, bio-mechanical device and method for treating and controlling compulsive overeating and obesity. The device is composed of orthodontic brackets attached to the teeth, and pliable wire wrapped either around or through the brackets.
Orthodontic Technology Orthodontic Technology is a specialty of dental technology that is concerned with the design and fabrication of dental appliances for the treatment of malocclusions, which may be a result of tooth irregularity, disproportionate jaw relationships, or both.
Orthodontics Orthodontics is a specialty of dentistry that is concerned with the study and treatment of malocclusions (improper bites), which may be a result of tooth irregularity, disproportionate jaw relationships, or both. The word comes from the Greek words ortho meaning straight and odons meaning tooth.
Orthodox Bahá'Ă Faith The Orthodox Bahá'Ă Faith is a Bahá'Ă division which formed circa 1961 as the Orthodox Bahá'Ăs Under the Hereditary Guardianship which was founded by Mason Remey. It was in 1969 that it came under the leadership of Joel Marangella, who claimed to be the legitimate successor to Mason Remey, who had himself separated from the Bahá'Ă Faith in 1960.
Orthodox Christian Mission Center The Orthodox Christian Mission Center (OCMC) is an Orthodox Christian missions organization based in the United States and supported by all the jurisdictions of the Standing Conference of Orthodox Bishops in America (SCOBA).
Orthodox Christian Reformed Church The Orthodox Christian Reformed Church (OCRC) is a theologically conservative federation of churches in the Dutch Calvinist tradition. These churches confess the Bible to be the Word of God and believe it is faithfully summarized by the Belgic Confession, Heidelberg Catechism, and Canons of Dort.
Orthodox Church in America Albanian Archdiocese The Orthodox Church in America Albanian Archdiocese is one of three ethnic dioceses of the Orthodox Church in America (OCA). Its territory includes parishes, monasteries, and missions located in seven states in the United States – California, Connecticut, Massachusetts, Michigan, New York, Ohio, and Pennsylvania.
Orthodox Church in America Archdiocese of Canada The Orthodox Church in America Archdiocese of Canada is a archdiocese of the Orthodox Church in America (OCA). Its territory includes parishes, monasteries, and missions located in eight provinces and territories in Canada – Alberta, British Columbia, Manitoba, Nova Scotia, Ontario, Quebec, Saskatchewan, and Yukon.
Orthodox Church in America Bulgarian Diocese The Orthodox Church in America Bulgarian Diocese is one of three ethnic dioceses of the Orthodox Church in America (OCA). Its territory includes parishes, monasteries, and missions located in six states in the United States, as well as one province in Canada – California, Illinois, Indiana, Kansas, Michigan, Ohio, Ontario, and Washington, D.
Orthodox Church in America Diocese of Eastern Pennsylvania The Orthodox Church in America Diocese of Eastern Pennsylvania is a diocese of the Orthodox Church in America (OCA). Its territory includes parishes, monasteries, and missions located in two states in the United States – Delaware and Pennsylvania.
Orthodox Church in America Diocese of New England The Orthodox Church in America Diocese of New England is a diocese of the Orthodox Church in America (OCA). Its territory includes parishes, monasteries, and missions located in six states in New England – Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont.
Orthodox Church in America Diocese of the Midwest The Orthodox Church in America Diocese of the Midwest is a diocese of the Orthodox Church in America (OCA). Its territory includes parishes, monasteries, and missions located in eleven states in the Midwestern United States – Iowa, Illinois, Indiana, Kansas, Michigan, Minnesota, Missouri, North Dakota, Nebraska, Ohio, and Wisconsin.
Orthodox Church in America Diocese of the South The Orthodox Church in America Diocese of the South is a diocese of the Orthodox Church in America (OCA). Its territory includes parishes, monasteries, and missions located in fourteen states in the Southern and Southwestern United States – Alabama, Arkansas, Florida, Georgia, Kentucky, Louisiana, Mississippi, New Mexico, North Carolina, Oklahoma, South Carolina, Tennessee, Texas, and Virginia.
Orthodox Church in America Diocese of the West The Orthodox Church in America Diocese of the West is a diocese of the Orthodox Church in America (OCA). Its territory includes parishes, monasteries, and missions located in eight states in the Western United States – Arizona, California, Colorado, Hawaii, Montana, Nevada, Oregon, and Washington.
Orthodox Church in America Diocese of Washington and New York The Orthodox Church in America Diocese of Washington and New York is a diocese of the Orthodox Church in America (OCA). Its territory includes parishes, monasteries, and missions located in five states in the Northeastern United States (as well as Washington, D.
Orthodox Church in America Diocese of Western Pennsylvania The Orthodox Church in America Diocese of Western Pennsylvania is a diocese of the Orthodox Church in America (OCA). Its territory includes parishes, monasteries, and missions located in three states in the United States – Pennsylvania, Ohio, and the entirety of West Virginia.
Orthodox Church in America Exarchate of Mexico The Orthodox Church in America Exarchate of Mexico is a missionary diocese of the Orthodox Church in America (OCA). Its territory includes parishes, monasteries, and missions located in four states in Mexico (as well as the Mexican Federal District) – Chiapas, México, Jalisco, and Veracruz.
Orthodox Church in America Parishes in Australia The Orthodox Church in America Parishes in Australia refers to an administrative district of the Orthodox Church in America (OCA) located within two states in Australia – New South Wales and Queensland. The parishes are under the direct authority of Metropolitan Herman (Swaiko).
Orthodox Church in America Romanian Episcopate The Orthodox Church in America Romanian Episcopate is one of three ethnic dioceses of the Orthodox Church in America (OCA), and a former diocese of the Romanian Orthodox Church. Its territory includes parishes, monasteries, and missions located in 26 states in the United States, as well as eight provinces in Canada – Alberta, Arizona, British Columbia, California, Colorado, Connecticut, Florida, Georgia, Illinois, Indiana, Louisiana, Manitoba, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New Mexico, Nevada, New York, Ohio, Ontario, Oregon, Pennsylvania, Quebec, Rhode Island, Saskatchewan, Tennessee, Texas, Virginia, and Washington.
Orthodox Church in America Stavropegial Institutions Orthodox Church in America Stavropegial Institutions are churches, monastic communities, and theological schools under the direct supervision of the Orthodox Church in America's primate, currently Metropolitan Herman (Swaiko). The Stavropegial Institutions are located in three states in the United States and one Canadian province – California, New York, Ontario, and Pennsylvania.
Orthodox Church in Italy The Orthodox Church in Italy (Chiesa Ortodossa in Italia) was founded in 1991 by Italian orthodox bishop Antonio De Rosso, a former Roman Catholic priest, who became bishop of Aprilia and Lazio under the jurisdiction of Metropolitan Cyprian of Oropos and Fili, a leader of Greek Old Calendarists movement. In 1993 the church joined Bulgarian Orthodox Church and in 1995 bishop Antonio was enthroned bishop of Ravenna and Italy.
Orthodox Judaism Orthodox Judaism is the formulation of Judaism that adheres to a relatively strict interpretation and application of the laws and ethics first canonized in the Talmudic texts ("The Oral Law") and as subsequently developed and applied by the later authorities known as the Gaonim, Rishonim, and Acharonim.
Orthodox Marxism Orthodox Marxism is the term used to describe the version of Marxism which emerged after the death of Karl Marx and acted as the official philosophy of the Second International up to the First World War and of the Third International thereafter. Orthodox Marxism seeks to simplify, codify and systematise Marxist thought, ironing out ambiguities and contradictions.
Orthodox Ohrid Archbishopric The Orthodox Ohrid Archbishopric ( Pravoslavna Ohridska Arhiepiskopija) was formed in 2002 following a failure in negotiations between the Serbian Orthodox Church and the canonically-unconstitutional and unrecognized Macedonian Orthodox Church (MOC). Whereas the Holy Synod of the MOC rejected the so-called Niš agreement, one bishop broke ranks and agreed to form the autonomous church under the tutelage of the Patriarchate of Pec.
Orthodox Presbyterian Church The Orthodox Presbyterian Church (OPC) was founded by conservative Presbyterians who revolted against the modernist theology within the Presbyterian Church in the United States of America (PCUSA) during the 1930s. Led by J.
Orthodox Study Bible (Eastern Orthodox) The Orthodox Study Bible is a translation and annotation of the Christian Bible currently in production by clergy and laity within the Orthodox Church. The text of the New Testament & Psalms translation is currently the New King James Version accompanied by Orthodox viewpoint commentary.
Orthodox Trotskyism Orthodox Trotskyism is a branch of Trotskyism which aims to adhere more closely to the philosophy, methods and positions of Trotsky and the early Fourth International, Lenin, and Marx than other Trotskyists. In particular, it holds that the Soviet Union was a degenerated workers' state and other similar societies are deformed workers' states.
Orthodox Union The Union of Orthodox Jewish Congregations of America (UOJCA), more popularly known as the Orthodox Union, or OU, is one of the oldest Orthodox Jewish organizations in the United States. It is best known for its kosher supervision service, with the circled-U symbol found on the labels of many commercial and consumer food products.
Orthodox-Catholic Church of America (OCCA) The Orthodox-Catholic Church of America (OCCA) is an independent, self-governing Orthodox jurisdiction active primarily in the United States, but with clergy in the United Kingdom and Australia as well. It is governed by a synod of diocesan bishops (currently 6) and a Metropolitan Archbishop.
Orthodoxy The word orthodoxy, is mainly associated with the Greek Orthodox Church which is the principle soma of the original Christian church. After the schizm between the Papacy and the Church both parties refered to themselves as Katholikoi (Catholic), however, the church already established its Kathos or Kathlisomos through the Symbol of Faith known as the Creed.
Orthodoxy in Bulgaria The Orthodox Christianity has deep roots in Bulgaria, dating back to the 5th and 7th centuries, when the Slavs and the Bulgars, respectively, were converted to Christianity by the Byzantine Empire. Prior to that date, Christianity had spread in the area during the Roman and early Byzantine times.
Orthodoxy in the Republic of Ireland Although Orthodox historians currently attempt to claim that the Celtic Church was Orthodox, the best documented presence of Orthodoxy in Ireland dates from the aftermath of the Russian Revolution. White Russian refugees arrived in small numbers and settled throughout the country.
Orthogastropoda In their work, which has become a standard reference in the field, Ponder and Lindberg (1997) showed that the Orthogastropoda is one of two subclasses of the Gastropoda the class of molluscs, the other subclass being the Eogastropoda.
Orthogenesis Orthogenesis, orthogenetic evolution or autogenesis, is the hypothesis that life has an innate tendency to move in a unilinear fashion due to some internal or external "driving force". The hypothesis is based on essentialism, finalism and cosmic teleology and proposes an intrinsic drive which slowly transforms species.
Orthognathic surgery Orthognathic surgery is surgery to correct conditions of the jaw and face related to structure, growth, sleep apnea, or to assist in orthodontic treatment. Bones can be cut and re-aligned, held in place with plates and screws.
Orthogonal array The Orthogonal array (OA) based testing is a systematic, statistical way of testing. Orthogonal arrays could be applied in user interface testing, system testing, regression testing, configuration testing and performance testing.
Orthogonal complement In the mathematical fields of linear algebra and functional analysis, the orthogonal complement W^bot of a subspace W of an inner product space V is the set of all vectors in V that are orthogonal to every vector in W, i.e.
Orthogonal convex hull In Euclidean geometry, a set KsubsetR^n is defined to be orthogonally convex if, for every line L that is parallel to one of the axes of the Cartesian coordinate system, the intersection of K with L is empty, a point, or a single interval. The orthogonal convex hull of a set SsubsetR^n is the intersection of all connected orthogonally convex supersets of S.
Orthogonal Defect Classification Orthogonal Defect Classification (ODC) was invented by IBM Research to establish a "foundation for providing analysis and feedback of defect data targeting quality issues in software design and code in a procedural language environment".
Orthogonal frequency-division multiplexing Orthogonal Frequency-Division Multiplexing (OFDM) — essentially the same thing as Coded OFDM (COFDM) or discrete multitone modulation (DMT) — is a digital multi-carrier modulation scheme, which uses a large number of closely-spaced orthogonal sub-carriers. Each sub-carrier is modulated with a conventional modulation scheme (such as quadrature amplitude modulation) at a low symbol rate, maintaining data rates similar to conventional single-carrier modulation schemes in the same bandwidth.
Orthogonal group In mathematics, the orthogonal group of degree n over a field F (written as O(n,F)) is the group of n-by-n orthogonal matrices with entries from F, with the group operation that of matrix multiplication. This is a subgroup of the general linear group GL(n,F) given by
Orthogonal projection In geometry, an orthogonal projection of a k-dimensional object onto a d-dimensional hyperplane (d < k) is obtained by intersections of (k â’ d)- dimensional hyperplanes drawn through the points of an object orthogonally to the d-hyperplane. In particular, an orthogonal projection of a three-dimensional object onto a plane is obtained by intersections of lines drawn through all points of the object orthogonally to the plane of projection.
Orthogonal variable spreading factor Orthogonal variable spreading factor (OVSF) is an implementation of Code division multiple access (CDMA) where before each signal is transmitted, the spectrum is spread through the use of a user's code. User's codes are carefully chosen to be mutually orthogonal to each other.
Orthogonality (term rewriting) Orthogonality as a property of term rewriting systems describes where the reduction rules of the system are all left-linear, that is each variable occurs only once on the left hand side of each reduction rule, and there is no overlap between them.
Orthogonalization In linear algebra, orthogonalization means the following: We start with a linearly independent set of vectors {v1,...,vk} in an inner product space (most commonly the Euclidean space Rn), and we want to find a set of pairwise orthogonal vectors {u1,...
Orthographic projection (cartography) Orthographic projection is a map projection of cartography. Like the Stereographic projection and Gnomonic projection, Orthographic projection is a perspective (or azimuthal) projection, in which the sphere is projected onto a tangent plane or secant plane.
Orthographical variant In biological nomenclature, an orthographical variant is a variant spelling of the same name. The spellings Hieronyma, Hieronima and Hyeronima are different spellings of one and the same name, which has a single date of publication.
Orthography The orthography of a language is the set of symbols (glyphs and diacritics) used to write a language, as well as the set of rules describing how to write these glyphs, including spelling, punctuation, and capitalization. The term is derived from Greek ÎżĎθά ortha- ("correctly") and ÎłĎάφειν graphein ("to write").
Orthokeratology Orthokeratology (Ortho-K) is the use of rigid gas-permeable contact lenses, normally worn only at night, to improve vision through the reshaping of the cornea. This method can be used as an alternative to eyeglasses, refractive surgery, or for those desiring to not wear contact lenses during the day.
Orthomode transducer Orthomode transducer also known as the polarization diplexer is a device forming part of an antenna feed and serving to combine or separate orthogonally polarized signals. These transducers are used in dual-polarized radar antennas, radiometers, and communications links.
Orthomolecular medicine Optimum nutrition and orthomolecular medicine are nutritional health and medical approachesThe War Against Vitamin Therapy doctoryourself.com , Andrew Saul, PhD - Accessed, August 2006 which posit that many diseases and abnormalities result from various chemical imbalances or deficiencies and can be prevented, treated, or sometimes cured by achieving optimal levels of naturally occurring chemical substances, such as vitamins, dietary minerals, enzymes, antioxidants, amino acids, lipotropes, essential fatty acids, prohormones, dietary fiber and intestinal short chain fatty acids.
Orthomolecular psychiatry Orthomolecular psychiatry is a branch of orthomolecular medicine that believes that specific dietary supplements and measures may be effective in treating mental illness. Specific techniques commonly employed include individual biochemical workup, dietary measures, (juice) fasting, supplementation of essential nutrients especially vitamins C and B-3, minerals and identifying allergies.
Orthonormal frame In Riemannian geometry and relativity theory, an orthonormal frame is a tool for studying the structure of a differentiable manifold equipped with a metric. If M is a manifold equipped with a metric g, then an orthonormal frame at a point P of M is a basis of the tangent space at P consisting of vectors which are orthonormal with respect to the bilinear form gP.
Orthonormality In linear algebra, two vectors in an inner product space are orthonormal if they are orthogonal (their inner product is 0) and both of unit length (the norm of each is 1). A set of vectors which is pairwise orthonormal (any two vectors in it are orthonormal) is called an orthonormal set.
Orthonychidae The Orthonychidae is a family of birds with a single genus, Orthonyx, which comprises of two species of passerine birds endemic to Australia and New Guinea, the Logrunner and the Chowchilla. Some authorities consider the Australian family Cinclosomatidae to be part of the Orthonychidae.
Orthopaedic nursing Orthopaedic nursing is a nursing specialty focused on the prevention and treatment of musculoskeletal disorders. Orthopaedic issues range from acute problems such as fractures or hospitalization for joint replacement to chronic systemic disorders such as loss of bone density or lupus erythematosus.
Orthopantomogram An Orthopantomogram or OPG is a panoramic scanning radiograph of the upper and lower jaws. Also known as an "orthopantogram" or "panorex", this x-ray scan illustrates the maxilla and mandible, all the teeth including the "wisdom teeth," the frontal, nasal and maxillary sinus air spaces and the tempormandibular joint complex or "TMJ".
Orthopedic Foundation for Animals The Orthopedic Foundation for Animals (OFA) is a not-for-profit organization based in Columbia, Missouri that aims to research and prevent orthopedic and hereditary diseases in animals. It focuses on dogs, though also studies other companion animals such as cats.
Orthopedic surgery Orthopedic surgery or orthopedics (also spelled orthopaedics, see below) is the branch of surgery concerned with acute, chronic, traumatic, and overuse injuries and other disorders of the musculoskeletal system. Orthopedic surgeons address most musculoskeletal ailments including arthritis, trauma and congenital deformities using both surgical and non-surgical means.
Orthophoto An orthophoto or orthophotograph is an aerial photograph that has been geometrically corrected ("orthorectified") such that the scale of the photograph is uniform, meaning that the photo can be considered equivalent to a map. Unlike an aerial photograph, an orthophotograph can be used to measure true distances, because it is an accurate representation of the earth's surface, having been adjusted for topographic relief, lens distortion, and camera tilt.
Orthopoxvirus Orthopox viruses include many species isolated from non-human mammals, such as Camelpox virus, Cowpox virus, Ectromelia virus (Mousepox virus), Monkeypox virus, Raccoonpox virus, Taterapox virus (African gerbil), Vaccinia virus (no natural reservoir), Buffalopox virus, Rabbitpox virus, Variola virus (Humans, Smallpox), Volepox virus, Skunkpox virus, and Uasin Gishu disease virus (African horses).
Orthoptera The Orthoptera are an order of insects with incomplete metamorphosis, including the grasshoppers, crickets and locusts. Many insects in this order produce sound (known as a "stridulation") by rubbing their wings against each other or their legs, the wings or legs containing rows of corrugated bumps.
Orthopterists' Society The Orthopterists' Society (formerly the Pan American Acridological Society) is an international scientific organization devoted to facilitating communication among those interested in Orthoptera and related organisms. The Society currently has 330 members from 43 countries on six continents.
Orthoptics Orthoptics (from the Greek words ortho meaning "straight", and optikas meaning "vision" is the discipline dealing with the diagnosis and treatment of defective eye coordination, binocular vision], and functional [[amblyopia by non-pharmaceutical and non-surgical methods, e.g.
Orthorexia nervosa Orthorexia, or orthorexia nervosa is a term coined by Dr. Steven Bratman, a Colorado MD, to denote what he considers to be an eating disorder characterized by a "fixation" on eating healthful food, which can ultimately lead to death.
Orthorhombic crystal system In crystallography, the orthorhombic crystal system is one of the 7 lattice point groups. Orthorhombic lattices result from stretching a cubic lattice along two of its lattice vectors by two different factors, resulting in a rectangular prism with a rectangular base (a by b, which is different from a) and height (c, which is different from a and b).
Orthorrhapha Orthorrhapha is a circumscriptional name which historically was used for an infraorder of Brachycera, one of the two suborders into which the order Diptera, the flies, are divided. As the group was paraphyletic, it has not been used in classifications in the last decade, and is effectively obsolete, though many catalogs, checklists, and older works still contain the name.
Orthosiphon Orthosiphon stamineus (Malay: misai kucing) is a traditional herb that is widely grown in tropical areas. The two general species, Orthosiphon stamineus “purple" and Orthosiphon stamineus “white” have essential medicinal properties able to treat diabetes, kidney and urinary disorders, high blood pressure and bone or muscular pain.
Orthostatic hypotension Orthostatic hypotension (also known as postural hypotension and, colloquially, as head rush) is a sudden fall in blood pressure, typically greater than 20/10 mm Hg, that occurs when a person assumes a standing position.
Orthotic Prosthetic Center The Orthotic Prosthetic Center (OPC) is a family owned and operated prosthetics lab with offices in Fairfax, Virginia and Rockville, Maryland. The company is also featured on Rebuilt: The Human Body Shop, a reality TV show that debuted in January 2006 on the Discovery Health Channel.
Orthotics Orthotics is the medical field concerned with the application and manufacture of orthoses, devices which support or correct the function of a limb or the torso. More recently, the term cognitive orthotics has been applied to assistive technology to correct cognitive functions.
Orthotropic deck An orthotropic bridge or orthotropic deck is one whose deck typically comprises a structural steel deck plate stiffened either longitudinally or transversely, or in both directions. This allows the deck both to directly bear vehicular loads and to contribute to the bridge structure's overall load-bearing behaviour.
Orthotropics Orthotropics (see Biobloc) is a branch of dentistry concerned with correct growth of the face and jaws. The majority of people raised in highly civilised societies have downward growing jaws associated with flat faces, large noses, sloping foreheads and crooked teeth.
Orthovoltage X-rays Orthovoltage X-rays are produced by linear accelerators operating at voltages in the 200–500 kV range, and therefore an energy in the 200–500 keV range (see External beam radiotherapy for an explanation of the maximum and mean energies as a function of voltage). When used to treat patients, radiation oncologists find that they penetrate to a useful depth of about 4–6 cm.
Orthrus In Greek mythology, Orthrus (also called Orthros, Orthos, Orthus, Orth and Orphus) was a two-headed dog and a doublet of Cerberus, both whelped by the chthonic monster Echidne by Typhon. "Orthus has a phallic name that means 'Upright-erect' and is a herm-like figure; and as for his two heads, presumably one looked backward.
Ortigas Center Ortigas Center is the second most important commercial and business district in Metro Manila, Philippines. With an area of at least 100 hectares, the district is located at the boundary of Pasig City, Mandaluyong City, and Quezon City.
Ortigueira Ortigueira, a seaport and borough of Ferrolterra in North-western Spain, in the Province of A Coruña; on the northern slope of the Serra da Faladoira, on the river Mera and on the eastern shore of the Ria de Santa Marta--a winding, rock-bound and much indented inlet of the Bay of Biscay, between Capes Ortegal and Bares, the northernmost headlands of the Peninsula.
Ortigueira's Festival of Folk Music Saint Martha of Ortigueira's Day: Celebrated every 29th July, is the second most important day in the calendar of summer time Festivities celebrated in this locality, as in recent years the Ortigueira's Festival of Folk Music, which is celebrated every year a few weeks earlier, has been extended to four days (i.e.
Ortley Ortley (better known in the Southern United States as the White Bellflower) is a variety of apple, medium in size, and light green to yellow in color. Usually ripening for a late fall harvest, it was developed in New Jersey, and was first commercially produced in 1825.
Ortley, Oregon Ortley is a former town in Wasco County, Oregon, USA, originally developed by the Hood River Orchard & Land Company which filed a plat for the townsite in 1911, naming it for the Ortley, a variety of apple. The company sold town lots and small orchard parcels, and the town quickly grew to a population of 300, and included a post office, several shops and a hotel.
Orto botanico di Padova The Orto Botanico di Padova is the world's oldest academic botanical garden that is still in its original location. (Officially, the oldest university botanical garden is the Orto botanico di Pisa, which was founded in 1544; however, that garden was relocated twice and has only occupied its current, and now-permanent, location since 1591.
Orto botanico di Palermo The Orto Botanico di Palermo (Palermo Botanical Garden) is both a botanic garden and a research and educational institution forming part of, and managed by, the Department of Botany within the University of Palermo.
Orto botanico di Pisa The Orto botanico di Pisa, also known as the Orto Botanico dell'UniversitĂ di Pisa, is a botanical garden operated by the University of Pisa, and located at via Luca Ghini 5, Pisa, Italy. It is open weekday mornings without charge.
Orto Botanico Comunale di Lucca The Orto Botanico Comunale di Lucca is a botanical garden located at Via del Giardino Botanico, 14, Lucca, Italy, and operated by the city. It is open daily during the warmer months, and weekday mornings off-season.
Orto Botanico di Parma The Orto Botanico di Parma, also known as the Orto Botanico dell'UniversitĂ di Parma, is a botanical garden maintained by the University of Parma. It is located on the Viale delle Scienze, Parma, Italy, and open daily without charge.
Ortolan Bunting The Ortolan, or Ortolan Bunting, Emberiza hortulana, is a bird in the bunting family Emberizidae, a passerine family now separated by most modern authors from the finches, Fringillidae. The bird's common name is French, from the Latin hortulanus, the gardener bird, (from hortus, a garden).
Orton Island (Queensland) Orton Island is an island about 1 km South East of Cape Grenville in the Great Barrier Reef Marine Park Queensland, Australia, in Temple Bay about 200km North East of Iron Range National Park and LockhartRiver in the Cape York Peninsula.
Orton Longueville School Orton Longueville School is a Secondary Comprehensive in Peterborough. The school population at the beginning of the 2006/7 academic year stood at just under 1,100 - a slight drop in pupils due to a reduced intake from year 7.
Orton on the Hill Orton on the Hill, from its high situation on a hill overlooking four counties, (also formerly called Wortone or Overtone) a parish in Sparkenhoe Hundred, Leicestershire. Orton adjoins Morebarne, Sheepy and Newhouse Grange on the south, Appleby and Austrey to the east.
Oru Kalluriyin Kathai Oru Kalluriyin Kathai (2005), starring Arya and Sonia Agarwal is a Tamil movie, directed by Nandha Periyasamy. Santhanam, Mouli, Charlie, Charuhaasan, Raja and 'Nizhalgal' Ravi played significant roles in the movie.
Oruanui eruption The Oruanui eruption of the Taupo volcano is the most recent known supervolcanic eruption that reached a VEI of 8 and is the world's largest known eruption in the past 70,000 years. It occurred around 26,500 Before Present in Late Pleistocene and generated approximately 430 kmÂł of fall deposits, 320 kmÂł of pyroclastic density-current (PDC) deposits (mostly ignimbrite) and 420 kmÂł of primary intracaldera material, equivalent to 530 kmÂł of magma.
Oruç Baba Oruc Baba is a Turkish name, came from "oruc", which means "fasting" and "baba" means "father". Oruc Baba as a Muslim prominent in Ottoman Empire lived in middle ages in that empires land, especially in capital Istanbul.
Oruchuban Ebichu Oruchuban Ebichu (or Ebichu Minds the House, in Japanese: ăŠă‚‹ăˇă‚…ă°ă‚“エă“ăˇă‚…) is an anime produced by Gainax (the company responsible for Neon Genesis Evangelion) and directed by Hideaki Anno, and is based on the manga by Risa Ito that was published by Futabasha Publishers. It first aired as six eight minutes episodes in 1999 as one third of the show Modern Love's Silliness.
Orun & Natarajan Satellite Sensor Model Orun & Natarajan Satellite Sensor model was developed by Dr. Ahmet Bahadir ORUN (1990, Oxford Brookes University) which is very distinguished one among others and currently used for various satellite imagery such as KOMPSAT, SPOT, IKONOS, etc.
Orussidae The family Orussidae (the sole living member of the superfamily Orussoidea) is the only Symphytan group which is parasitic, thus giving them the common name parasitic wood wasps. They are an ancient group, well-represented in the fossil record, and are believed to represent a sort of "missing link" within the order Hymenoptera, as they are often considered to be the sister taxon to the Apocrita.
Orval Abbey Orval Abbey is a Cistercian monastery founded in 1132 in the Gaume region of Belgium and is located in Villers-devant-Orval, part of Florenville in the province of Luxembourg. The abbey is well-known for its history and spiritual life but also for its local production of a Trappist beer (see Brasserie d'Orval) and a specific cheese.
Orval Tessier Orval Tessier (Born - June 30, 1933 in Cornwall, Ontario, Canada) is a retired Canadian Professional Hockey Centerman and Coach who played 3 seasons in the National Hockey League for the Montreal Canadiens and Boston Bruins and who coached for 3 seasons in the National Hockey League with the Chicago Black Hawks. He won the Stanley Cup in 2001 with the Colorado Avalanche while serving as a scout for the team.
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