Encyclopedia

Orog In the Dungeons & Dragons fantasy role-playing game, an orog is a crossbreed between a male orc and a female ogre. Orogs usually live among orcs; they are stronger, more intelligent, and more highly disciplined than typical orcs.
Orogeny Orogeny (Greek for "mountain generating") is the process of mountain building, and may be studied as a tectonic structural event, as a geographical event and a chronological event, in that orogenic events cause distinctive structural phenomena and related tectonic activity, affect certain regions of rocks and crust and happen within a time frame.
Orography Orography is the average height of land, measured in geopotential meters, over a certain domain. In geoscientific models, such as general circulation models, orography defines the lower boundary (except where there is ocean, of course).
Oroch Orochs or Orochons (self designation: Nani) are a small people of Russia that speak the Oroch (Orochon) dialect of the Southern group of Tungusic languages. According to the 2002 census, there were 686 Orochs in Russia.
Orochimaru Orochimaru (大蛇丸), featured in the Japanese folktale Jiraiya Goketsu Monogatari, is the arch-enemy of the ninja Jiraiya. He was once named Yashagoro and was one of Jiraiya's followers, but he was overtaken by serpent magic.
Orochimon Orochimon is a fictional character from the Digimon franchise, named after the Japanese mythical creature Orochi. Orochi was a gigantic snake with eight heads (sometimes seven) slain by the legendary hero Susanoo.
Orology Orology is normally a general term for the study of mountains, usually not well defined, and often is synonymous with orography, the study and mapping of relief and contours of a geographical area, especially that of mountains. This is a branch of earth science.
Oromo The Oromo, formerly called Galla (this usage has now become pejorative, but was widely used into the 20th century), are an indigenous African ethnic group found in Ethiopia and to a lesser extent in Kenya and Somalia. They are the largest single ethnic group in Ethiopia, at 32.
Oromo language Oromo, also known as Afaan Oromoo, Oromiffa(a), and sometimes in other languages as variant spellings of these names (Oromigna, Afan Oromo, etc.), is an Afro-Asiatic language, and the most widely spoken of the Cushitic sub-phylum.
Oromo Liberation Front The Oromo Liberation Front (also known as the OLF) is a rebel front established in 1973 by Oromo nationalists to lead an alleged liberation struggle of the Oromo people against the what they call "Abyssinian colonial rule." For Ethiopians of other ethnicities as well as for some Oromos, it is seen as a terrorist organization based on an idea of Oromo supremacy.
Oromo Peoples' Democratic Organization The Oromo Peoples' Democratic Organization (OPDO) is an ethnic-based political party in Ethiopia, which is allied with the Amhara National Democratic Movement, the South Ethiopian Peoples' Democratic Front and the Tigrayan Peoples' Liberation Front to form the Ethiopian People's Revolutionary Democratic Front (EPRDF). At the last legislative elections, 15 May 2005, the party was part of the Ethiopian People's Revolutionary Democratic Front, that won 327 out of 527 seats.
Oronde Gadsden Oronde Benjamin Gadsden (born August 20, 1971 in Charleston, South Carolina) is a former American professional football player who played his entire six-year NFL career with the Miami Dolphins from 1998-2003. A 6'2", 215 lbs.
Oronhyatekha Oronhyatekha (10 August, 1841 – 3 March, 1907), ("Burning Sky" in the Mohawk language, also carried the baptismal name Peter Martin), was a Mohawk physician, scholar, and a unique figure in the history of British colonialism. He was the first known Aboriginal Oxford scholar; the first Aboriginal medical doctor in Canada; a successful CEO of a multinational financial institution; a native statesman; an athlete of international standing; and an outspoken champion of the rights of women, children, and minorities.
Oronsay, Inner Hebrides Oronsay (Orasaigh in Scottish Gaelic), also sometimes spelt and pronounced Oransay by the local community, is a small island south of Colonsay in the Scottish Inner Hebrides. It has an area of around 4,600 hectares (11,400 acres), and rises to a height of 93m (305 feet) at Beinn Oronsay.
Orontid Dynasty The Orontid Dynasty was the first Armenian dynasty. The Orontids established their supremacy over Armenia around the time of the Scythian and Median invasion in the 6th century BC during which Armenians adopted Iranic names and customs.
Orontius (crater) Orontius is a lunar impact crater that lies in the heavily-cratered southern highlands of the Moon's near side. It is located to the northwest of the prominent Tycho crater, and south and east of the large Deslandres walled-plain.
Oronto Bay Oronto Bay is an arm of Lake Superior between Marble Point in Iron County, Wisconsin and Little Girls Point in Gogebic County, Michigan and includes part of the Bad River Reservation. The Montreal River, which forms the border between the two states, empties into the bay after roaring over Superior Falls.
Orontobates Orontobates (in Greek Oρoντoβάτης; lived 4th century BC) was a Persian, who married the daughter of Pixodarus, the usurping satrap of Caria, and was sent by the king of Persia to succeed him. On the approach of Alexander (334 BC) Orontobates and Memnon entrenched themselves in Halicarnassus.
Oroonoko Oroonoko is a short novel by Aphra Behn (June 10 1640 – April 16 1689), published in 1688, concerning the tragic love of its hero, an enslaved African in Surinam in the 1660s, and the author's own experiences in the new South American colony. It is generally claimed (most famously by Virginia Woolf) that Aphra Behn was the first professional female author in English, living entirely by her own earnings.
Oropeza Volcan y sus canciones (album) Oropeza Volcan y sus canciones , is a venezuelan compilation album made by Pedro Oropeza Volcan, this album is the famous repertoire of this composer, like Joce, Arturito, Morenita, Venezuela y Colombia, among others.
Orophernes of Cappadocia Orophernes Nicephorus (in Greek Oρoφέρνης Nικηφόρoς) was one of the two false sons whom Antiochis imposed upon her husband, Ariarathes IV, king of Cappadocia. On the birth, however, of a real son, named Mithradates (afterwards Ariarathes V), Orophernes, so that he might not set up pretensions to the throne, was sent away into Ionia.
Oropom The Oropom (or Iworopom, Oworopom, Oyoropom, Oropoi) are the aboriginal inhabitants of much of Karamoja in Uganda and probably Turkana District in Kenya; their descendants have largely been assimilated into the more recently arrived Iteso and Karamojong groups. They are or were found in scattered pockets between the Turkwel River, Chemorongit Mountains, and Mt.
Oropom language Oropom (or Oworopom, Oyoropom, Oropoi) is an almost certainly extinct African language, once spoken in northeastern Uganda and northwestern Kenya between the Turkwel River, Chemorongit Mountains, and Mount Elgon, by the Oropom ethnic group. It is very little-known; there appears to be only one article containing any original research on the language (Wilson 1970), which only a handful of other articles discuss.
Oroqin Autonomous Banner Oroqin Autonomous Banner (simplified Chinese: 鄂伦春自治旗; pinyin: Èlúnchūn Zìzhìqí) is an autonomous banner that lies directly south of the urban district of Hailar in the prefecture-level city of Hulunbuir. It has an area of 60,378 km ².
Orosí Orosí is a village in Costa Rica, about 30 km South East of the capital San José. It has a population of about 9000 and is one of the few colonial towns to survive Costa Rica's frequent earthquakes, with one of the oldest churches in the country ((early 18th century), although it consists mostly of modern buildings.
OrosĂ­ River The OrosĂ­ River, also called Rio Grande de OrosĂ­, is a river in Costa Rica near the Cordillera de Talamanca. The watershed contains one of the rainiest areas of Costa Rica, with annual rainfalls of up to 280 inches.
Orosháza Orosháza (Romanian: Oroş) is a town situated in the westernmost part of Békés county, Hungary, on the Békés ridge bordered by the rivers Maros and Körös. Orosháza is an important cultural, educational and recreational centre of the region.
Oroshi hocho Oroshi hocho (おろし包丁, literally: wholesale knife) and hancho hocho (半丁包丁, literally: half tool knife) are extremely long highly specialized knives used in Japan to fillet tuna and other large fish.
Orosirian The Orosirian (IPA: , , meaning "mountain range") is the third geologic period in the Paleoproterozoic Era and lasted from 2050 Ma to 1800 Ma (million years ago). Instead of being based on stratigraphy, these dates are defined chronometrically.
Orotava Valley The greenish and fruitful Orotava Valley (Spanish: Valle de la Orotava) is a beautiful valley filled with valleys and cliffs located in the northern part of the Canarian island of Tenerife, the valley is 10 by 11 km.
Oroua River The Oroua River is a river of the southwestern North Island of New Zealand. A tributary of the Manawatu River, it flows generally southwestward from its source in the Ruahine Range, joining the Manawatu River between Palmerston North and Shannon.
Orovada (soil) Orovada series soils are extensive in northern Nevada, where they have an extent of more than 360,000,000 acres (1,500,000 km²). They are common soils on semiarid rangeland with sagebrush-grass plant communities.
Oroville Dam Oroville Dam is on the Feather River above the city of Oroville in Butte County, California. It creates Lake Oroville, generates electricity, and provides drinking and irrigation water for Central and Southern California.
Oroya fever Oroya fever is a serious infection caused by Bartonella bacilliformis, transmitted by sandflies of the genus Lutzomyia. Is also known as CarriĂłn's disease and corresponds to acute bacteraemic infection by Bartonella bacilliformis.
Orphan An orphan (from the Greek ορφανός) is a person (or animal), who has lost one or both parents often through death. One legal definition used in the USA is someone bereft through "death or disappearance of, abandonment or desertion by, or separation or loss from, of both parents" Common usage limits the term to children, (or the young of animals) who have lost both parents.
Orphan (car) The term orphan car accurately applies to any marque of motor vehicle built by a manufacturer that has discontinued business entirely. (The term is sometimes inaccurately applied to a discontinued marque from a still-existing vehicle manufacturer (i.
Orphan (typesetting) In typesetting, an orphan is the first line of a paragraph appearing on its own at the bottom of a page with the remaining portion of the paragraph appearing on the following page. The first line of the paragraph was "left behind" by the remaining portion of text.
Orphan Brigade The Orphan Brigade was the nickname of the First Kentucky Brigade, a group of military units recruited from the Commonwealth of Kentucky to fight for the Confederate States of America during the American Civil War. The First Kentucky was the largest Confederate unit to be recruited from Kentucky during the war.
Orphan of the Stars Orphan of the Stars is volume seventeen in the French comic book (or bande dessinée) science fiction series Valérian: Spatio-Temporal Agent created by writer Pierre Christin and artist Jean-Claude Mézières.
Orphan of Zhao The Orphan of Zhao, or Orphan of the House Tcho (趙氏孤兒) is a Chinese play of the Yuan Dynasty, attributed to someone named Ji Junxiang (紀君祥), about whom almost nothing is known. Based on an episode in Shiji, the play has its full name The Great Revenge of the Orphan of Zhao Family (趙氏孤兒大報仇).
Orphan patient Within any system for health care, there is often a problem with supply of health care providers and/or access to them. An orphan patient is generally considered to be any patient who has either become "lost" within the medical system or has no primary provider overseeing their care.
Orphan structure An orphan structure is a financing term referring to a company whose shares are held by a trustee on a charitable purpose trust. The company is said to be an "orphan" as it is not beneficially owned by anyone.
Orphan's court The orphan's court was an organization established in the Chesapeake Bay colonies during colonization. The major goal of the organization was to protect orphaned children and their right to their deceased family's estate from against claims and abuses by step-parents and others.
Orphanage An orphanage (historically an orphan's asylum before the latter word took on its modern insane asylum connotation) is an institution dedicated to caring for orphans (children who have lost their parents) and abused, abandoned, and neglected children. Largely seen as an inferior alternative to foster care and adoption, orphanages may be privately or publicly funded, and many are run by religious organizations.
Orphaned technology Orphaned Technology is a descriptive term for computer products, programs, and platforms that have been abandoned by their original developers. Orphaned technology refers to software, such as abandonware and antique software, but also to hardware and practices.
Orphans International Orphans International Worldwide (OIWW) and Orphans International America (OIA) were created in 1999 in response to the crisis facing children around the globe. With the AIDS epidemic, natural disasters, low world health standards and immense poverty, OI today operates with a mission to confront head-on the demand for improved opportunities to benefit the world's disadvantaged orphans.
Orphans of the Helix Orphans of the Helix is a 46-page short story by Dan Simmons set in his Hyperion Cantos fictional universe (one of three, the others being "Remembering Siri", a story which is also a chapter of Hyperion, and "The Death of a Centaur", which deals with an early and allegorical version of either The Fall of Hyperion or Endymion). It was first published in the anthology Far Horizons in 1999.
Orphans of the Sky Orphans of the Sky is a 1963 science fiction novel by Robert A. Heinlein, consisting of two parts: "Universe" (Astounding Science Fiction, May 1941) and its sequel, "Common Sense" (Astounding Science Fiction, October 1941).
Orphean Warbler The Orphean Warbler or European garden warbler, Sylvia hortensis, is an Old World warbler in the typical warbler genus Sylvia. It has two subspecies; the western race breeds in southwest Europe and north west Africa, and the eastern form breeds in southeast Europe, Turkey and the Caucasus, This warbler is migratory, wintering in sub-Saharan Africa.
Orphei Drängar Orphei Drängar (or Sångsällskapet Orphei Drängar, often just OD) is a Swedish male choir and singing society founded in 1853, based in Uppsala and one of the two notable singing societies traditionally affiliated with the university there (the other one being the two decades older Allmänna Sången).
Orpheum Theater (Omaha) The Orpheum Theater is a local and national performing arts center located in downtown Omaha, Nebraska. The Orpheum hosts programs best served by a more theatrical setting, including the "Broadway In Omaha" series and Opera Omaha.
Orpheum, Vancouver The Orpheum is a theatre and music venue in Vancouver, British Columbia. Along with the Queen Elizabeth Theatre and the Vancouver Playhouse, it is part of the Vancouver Civic Theatres group of live performance venues.
Orpheus In Greek legend, Orpheus (Greek: ) was the chief representative of the arts of song and the lyre, and of great importance in the religious history of Greece. The mythical figure of Orpheus was borrowed by the Greeks from their Thracian neighbors; the Thracian "Orphic Mysteries", rituals of unknown content, were named after him.
Orpheus (2004 single) A song by Ash, released in 2004 as the first official single form their album Meltdown, the single is found on the Shaun of the Dead Original Soundtrack. It is also one of the EA Trax in the computer game Burnout 3 by Criterion Software.
Orpheus (band) Orpheus was a Boston-based rock band that enjoyed brief popularity in the 1960’s. Original members included guitarist/vocalists Bruce Arnold and Jack McKennes, bass guitarist Eric "the Snake" Gulliksen, and drummer Harry Sandler.
Orpheus (role-playing game) Orpheus is a role playing game by White Wolf Game Studio, set in a microcosm of the World of Darkness. Unlike the other World of Darkness game lines, Orpheus has a specifically planned metaplot and a set number of books to be published.
Orpheus Britannicus Orpheus Britannicus is a collection of songs by Henry Purcell, published posthumously in London in two volumes, the first in 1698 and the second in 1702. In the preface to the first volume, Henry Playford, the printer of the volume and the son of the famous John Playford, extolls Purcell's skill as setter of English texts.
Orpheus Gate Orpheus Gate (Orfeeva Porta or-'fe-e-va 'por-ta) is a 548m high, 250m wide, pass in eastern Livingston Island, Antarctica bounded by Pliska Ridge to the SE and Burdick Ridge to the NW, Huntress Glacier to the SW and Perunika Glacier to the NE.
Orpheus in the Underworld Orpheus in the Underworld (in French: 'Orphée aux enfers') is an opéra bouffe (or opéra féerie in its revised version) in two acts by Jacques Offenbach. The original French text was by Meilhac and Halévy, and the first production took place in Paris in 1858.
Orpheus Mining Colony The Orpheus Mining Colony was an important mining colony on Earth's Moon in the 22nd Century in the fictional world of Star Trek. It was operated by Terra Prime leader John Frederick Paxton who had inherited it from his father.
Orpheus Roye Orpheus Roye (born January 21, 1974 in Miami, Florida) is an American football player who currently plays defensive tackle for the Cleveland Browns. He first attended Jones Community College, where he was named JC All-America, registering 76 tackles and 12 sacks.
Orphism (art) Orphism or Orphic cubism, is a term coined in 1912 France by the poet Guillaume Apollinaire. He used the French term Orphisme to label the paintings of Robert Delaunay, relating them to Orpheus, the poet and symbol of the arts of song and the lyre in Greek mythology.
Orphrey Orphrey, also spelt Orfrey or Orfray, is a form of highly detailed embroidery, in which typically simple materials are made into exquisite patterns. In 1182 and 1183 Henry II of England spent lavishly on orpheys.
Orpington railway station Orpington railway station serves the town of Orpington in the London Borough of Bromley, and is in Travelcard Zone 6. Located in Station Road, the station is a third of a mile from the southern end of Orpington High Street.
Orquesta AragĂłn Orquesta AragĂłn is a Cuban charanga band which was formed on 30 September 1939 by double bassist Orestes Aragon Cantero. They have maintained the same instrumentation since, which involves violins, piano, flute, percussion, and vocals.
Orquesta de la Luz ("Orchestra of the Light") is a Japanese salsa band that began performing and recording in 1990. The band sings in Spanish, and is led by vocalist Nora, who returned to traditional salsa after the band broke up in the mid-1990s.
Orquestra Mahatma Orquestra Mahatma (sometimes credited as Orqestra Mahatma) is an eclectic UK band which draws heavily on international music including Spanish, French, Bulgarian, Macedonian and Latin-American as well as jazz inpirations.
Orrell R.U.F.C. Orrell Rugby Union Football Club is a rugby union team from the Orrell area of the Metropolitan Borough of Wigan, Greater Manchester, founded in 1927. They are one of the few rugby union clubs that has operated in a traditional rugby league area.
Orrery An orrery is a mechanical device that illustrates the relative positions and motions of the planets and moons in the solar system in heliocentric model. They are typically driven by a large clockwork mechanism with a globe representing the Sun at the centre, and with a planet at the end of each of the arms.
Orri Páll Dýrason Orri Páll Dýrason is the drummer for Sigur Rós. He joined the band in 1999, shortly after the recording of the studio album Ágætis byrjun, when the previous drummer, Ágúst Ævar Gunnarsson, left the band.
Orrick, Herrington & Sutcliffe Orrick, Herrington & Sutcliffe LLP is an internationally renowned law firm, founded originally in San Francisco. Orrick traces its roots back to 1863, making it the oldest continuously-operating law firm in San Francisco, and the second-oldest privately-held company in San Francisco after Levi Strauss.
Orrin Orrin is the strong leader of Surda in the Inheritance Trilogy(Eragon, Eldest, Book 3)Orrin is mentioned in Eragon but only first comes in to the story in the second book Eldest. Orrin favors the Varden and supplys them with food and shelter.
Orris root Orris root is the root of some species of iris, grown principally in southern Europe: Iris germanica, Iris florentina, and Iris pallida. Once important in western herbal medicine, it is now used mainly as a fixative and base note in perfumery, as well as an ingredient in many brands of gin (perhaps most famously in Bombay Sapphire gin).
Orris S. Ferry Orris Sanford Ferry (August 15, 1823 – November 21, 1875) was a Republican American lawyer and politician from Connecticut who served in the United States House of Representatives and the United States Senate. Ferry went to the Hopkins School and then later graduated from Yale in 1844.
Orrorin tugenensis Orrorin tugenensis is considered as the second oldest possible hominin ancestor related to modern humans (the oldest being Sahelanthropus tchadensis) and is the only species classified in genus Orrorin. The name was given by the discoverers who found Orrorin fossils near the village of Tugen, Kenya.
Orsa class torpedo boat The Orsa class were a group of large torpedo boats or destroyer escorts built for the Italian Navy in the late 1930's. They were an enlarged version of the Spica class, with more endurance and a greater depth charge load but less powerful machinery and a lighter gun armament.
Orsa Court District Orsa Court District, or Orsa tingslag, was a district of Dalarna in Sweden. The court district (tingslag) served as the basic division of the rural areas in Dalarna, except for one district that was a hundred (härad).
Orsec plan The Orsec plan (plan Orsec) is the French generic emergency plan in case of disaster, when the local means are not sufficient (catastrophe à moyens dépassés, CMD). "Orsec" stands for "organisation des secours", i.
Orseis In Greek mythology, Orseis, (Greek: ) was the water-nymph (Naiad) of a spring in Thessalia, Greece, and the mythical ancestor of the Greeks. It is uncertain whether she was believed to be the daughter of Oceanus or the river-god of Thessalia, Peneios.
Orshabaal In a test server of the Tibia (MMORPG) Summer 2005 update, Orshabaal , the most powerful monster yet to have walked the lands of tibia was first sighted. Mightier than Ferumbras himself, Orshabaal is now thought to be responsible for the deaths of well over a thousand players.
Orsini family [Orsini in Fara Sabina], northern [[Lazio, central Italy. The Orsini were amongst the main feudataries in Italy from the Middle Ages onwards, holding a great numbers of fiefs and lordships in Lazio and in the Kingdom on Naples.
Orsinium Orsinium, also called Nova Orsinium, is a fictional Orcish city province located within Tamriel, part of the Elder Scrolls universe created by Bethesda Softworks. It featured prominently in the The Elder Scrolls II: Daggerfall as the Orcish capital city.
Orso Ipato Orso Ipato (Latin Ursus) was the third traditional Doge of Venice (726–742) and the first historically known. Sometime in the early 8th century, he was elected to lead the Venetians and granted the title of dux or duke, which has morphed in the Venetian dialect into doge.
Orson F. Whitney Orson Ferguson Whitney (1855–1931) (commonly known as Orson F. Whitney) born in Salt Lake City, Utah, was a member of the Quorum of the Twelve Apostles of The Church of Jesus Christ of Latter-day Saints from April 9, 1906 until his death, May 16, 1931.
Orson Pratt Orson Pratt (September 19, 1811 – October 3, 1881) was a leader in the Latter Day Saint movement and an original member of the Quorum of Twelve Apostles. He was born in Hartford, New York, USA the son of Jared and Charity Dickenson Pratt.
Orson Rogers House The Orson Rogers House is listed on the National Register of Historic Places and located in the McHenry County, Illinois city of Marengo. The property consists of several outbuildings, currently and in the past, as well, those buildings are and were mostly agriculture related.
Orson Spencer Orson Spencer (March 14, 1802 - October 15, 1855) was a prolific member of The Church of Jesus Christ of Latter-day Saints. He served in several highly visible positions within the Church and left an extensive legacy of theological writings.
Orson Welles Cinema Orson Welles Cinema was a well-remembered movie theater which operated at 1001 Massachusetts Avenue in Cambridge, Massachusetts from 1969 to 1986, showcasing independent films, foreign films, and revivals. It opened April 8, 1969 with Luis Buñuel's Simon of the Desert, Orson Welles' The Immortal Story and a midnight movie, Don Siegel's Invasion of the Body Snatchers.
Orsten The Upper Cambrian Orsten fauna includes fossilized organisms preserved in OrstenOrsten means "stinking stone": the alum shale matrix is rich in organics. lagerstätten, notably at Kinnekulle and in the island of Öland, all in Sweden.
Ortaköy Mosque Ortaköy Mosque of İstanbul is situated at waterside of the Ortaköy Pier square, one of the most popular locations on the Bosphorus. Ordered by Sultan Abdülmecit and completed in 1854, its architects were Armenian father and son Garabet Amira Balyan and Nigoğayos Balyan, who designed it in Neo-Baroque style.
Orteig Prize The Orteig Prize was a $25,000 reward offered in 1919 by hotel owner Raymond Orteig to the first allied aviator(s) to fly non-stop from New York City to Paris or vice-versa. On offer for five years, it attracted no competitors.
Ortenburg-Neuortenburg Ortenburg-Neuortenburg was a minor County in southeastern Bavaria, Germany, located about 10 kilometres west of Passau. Ortenburg-Neuortenburg was a partition of Ortenburg, and it inherited Ortenburg-Dorfbach in 1462 following the death of Count Alram II.
Orthant In geometry of n dimensions, an orthant is one of the 2n parts of Euclidean space defined by constraining each Cartesian coordinate axis to be positive or negative. That is, an orthant is the analogue of a quadrant in the plane, and is defined by a system of inequalities
Orthent In USA soil taxonomy, Orthents are defined as Entisols that lack horizon development due to either steep slopes or parent materials that contain no permanent weatherable minerals (such as ironstone). Typically, Orthents are exceedingly shallow soils.
Orthetrum v. villosovittatum Orthetrum v. villosovittatum is a species of dragonfly that ranges from Victoria through eastern New South Wales and Queensland, north inland Queensland, Cape York and north Northern Territory in Australia and overseas as far as the Moluccas, New Guinea and neighbouring islands.
Orthez Orthez (or Ortès in Occitan) is a commune (town/community) and the chief town of a canton of south-western France, in the Pyrénées-Atlantiques département and in the region of Aquitaine, 40km NW of Pau on the Southern railway to Bayonne. The town also encompasses the small village of Sainte-Suzanne thus residents of the town are called either Orthéziens or Sainte-Suzannais.
Orthida Orthida is an extinct order of Brachiopods which appeared during the Early Cambrian period and became very diverse by the Ordovician, living in shallow-shelf seas. Orthids are the oldest member of the Rhynchonelliformea subphylum, and is the order from which all other brachiopods of this group stem.
Ortho In organic chemistry, "ortho" (along with "meta" and "para") is used to distinguish the three types of isomer of disubstituted benzenes: it indicates that the substituents are at locants 1 and 2. It is printed in italic type, and is often abbreviated as o in compound names.
Orthocerida Orthocerida are an order of extinct nautiloid cephalopods that lived from the Early Ordovician (about 500 million years ago) to the Late Permian (250 Ma) or Late Triassic (200 Ma). This order is also called Michelinocerida.
Orthocompact space In mathematics, in the field of topology, a topological space is said to be orthocompact if every open cover has an interior preserving open refinement. That is, given an open cover of the topological space, there is a refinement which is also an open cover, with the further property that at any point, the intersection of all open sets in the refinement containing that point, is also open.

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