Encyclopedia

Vacuole [of typical animal cell, showing subcellular components. Organelle]s: (1) [[nucleolus (2) nucleus (3) ribosome (4) vesicle (5) rough endoplasmic reticulum (ER) (6) Golgi apparatus (7) Cytoskeleton (8) smooth ER (9) mitochondria (10) vacuole (11) cytoplasm (12) lysosome (13) centrioles]]
Vacuous truth Informally, a logical statement is vacuously true (or trivially true) if it is true but doesn't provide any useful information; examples are statements of the form "anything that has property A must also have property B", where no entities with property A exist.
Vacuum A vacuum is a volume of space that is essentially empty of matter, so that gaseous pressure is much less than standard atmospheric pressure. The root of the word vacuum is the Latin adjective vacuus which means "empty," but space can never be perfectly empty.
Vacuum angle In quantum gauge theories, in the Hamiltonian formulation, the wave function is a functional of the gauge connection A and matter fields φ. Being a quantum gauge theory, we have to impose first class constraints in the form of functional differential equations.
Vacuum arc A vacuum arc can arise when the surfaces of metal electrodes in contact with a good vacuum begin to emit electrons either through heating (thermionic emission) or via an electric field that is sufficient to cause field emission. Once initiated, a vacuum arc can persist since the freed particles gain kinetic energy from the electric field, heating the metal surfaces through high speed particle collisions.
Vacuum bag A vacuum bag is a bag made of strong rubber-coated fabric, open at one end, and used to bond or laminate materials. The item to be laminated is placed inside the bag, the open end is sealed, and air is drawn out with a vacuum pump.
Vacuum bed A vacuum bed (also known as a vac bed) is a rubber device used for the purposes of rubber fetishism and bondage. It is usually comprised of two sheets of latex or a rectangular latex bag secured by a metal or plastic tube frame, used for sealing a person inside.
Vacuum brake The vacuum brake is a braking system used on trains. It was first introduced in the mid 1860s but the most widely adopted system was invented in 1877 in the USA, where it enjoyed only a brief period of popularity, primarily on narrow gauge railroads.
Vacuum breaker An attachment commonly placed on a bibcock valve, that prevents water from being sucked backward from a garden hose into the public water system. This prevents contamination should the public water system's pressure drop.
Vacuum casting Vacuum casting is a means of casting small metal parts or jewelry that have fine detail or for casting various plastic materials. A porous or vented mold is used and is placed on a table or container where vacuum is applied.
Vacuum deposition Vacuum deposition is a process used to create a thin layer of a substance (a coating) on a solid object (the substrate). The substrate is placed into a vacuum chamber and a small amount of the coating material is vaporized into the chamber.
Vacuum Diagrams Vacuum Diagrams is a collection of science fiction short stories written by Stephen Baxter which connects the books of the Xeelee cycle and gives a feeling of the development of mankind, aliens and the universe. Every story is self-contained but interconnected by short words of the character Eve.
Vacuum evaporation Vacuum evaporation is the process of dropping the pressure in a container until water's boiling point has been lowered to room temperature. When the process is applied to food and the water is evaporated and removed, the food can be stored for long periods of time without spoiling.
Vacuum exercise The vacuum exercise is an exercise which involves contracting some internal abdominal muscles, primarily the Transversus abdominis muscle, and not as much the diaphragm, the "six pack" muscles or "abs" which are trained through crunches, leg raises, or other core exercises.
Vacuum expectation value In quantum field theory the vacuum expectation value (also called condensate) of an operator is its average, expected value in the vacuum. The vacuum expectation value of an operator O is usually denoted by langle Orangle.
Vacuum flask A vacuum flask is a vessel which keeps its contents hotter or cooler than their environment by interposing an evacuated region to provide thermal insulation between the contents and the environment. Note that the vacuum is used for thermal insulation; the contents are not in vacuum conditions.
Vacuum forming Vacuum forming is a simplified version of thermoforming, whereby a sheet of plastic is heated to a forming temperature, stretched onto or into a single-surface mold, and held against the mold by applying vacuum between the mold surface and the sheet.
Vacuum furnace A Vacuum furnace is a type of furnace that can heat materials, typically metals, to very high temperatures and carry out processes such as brazing, sintering and heat treatment with high consistency and low contamination.
Vacuum fusion Vacuum fusion is an analytical chemistry technique, used for determining the oxygen, hydrogen, and sometimes nitrogen content of metals. While ineffective when used on alkali or earth metals, vacuum fusion remains a viable means when applied to almost all other metals.
Vacuum Flowers Vacuum Flowers is a science fiction novel by Michael Swanwick, published in 1987. It could be described as cyberpunk (some critics credit it as one of the pregenitor works of that genre), and features one of the earliest uses of the concept wetware.
Vacuum Fryer Vacuum fryers were originally developed for the potato chip production as they are fit to process low-quality potatoes that contain higher reducing sugar levels than normal, as they frequently have to be processed in spring and early summer before the potatoes from the new harvest become available. With vacuum frying it is easier to maintain natural colours and flavours of the finished product.
Vacuum chamber A vacuum chamber is a rigid enclosure from which air and other gases are removed by a vacuum pump. The resulting low pressure, commonly referred to as a vacuum, allows researchers to conduct physical experiments or to test mechanical devices which must operate in outer space (for example).
Vacuum insulated panel A Vacuum Insulated Panel (VIP) uses the insulative effects of a vacuum to produce much higher insulative values than conventional insulation. Conventional insulation produces an R-value of eight or less per inch (fiberglass being towards the lower end and foam panels towards the higher end).
Vacuum Induction Melting Vacuum Induction Melting is a process for melting metal under vacuum conditions using electromagnetic induction. It works by creating electrical eddy currents in the metal which heats the "charge" to melt it.
Vacuum Insulated Evaporator The Vacuum Insulated Evaporator (VIE) is the most advantageous (cf. gas oxygen manifold), economical (has 10 days supply worth) and least labor intensive method to store and distribute medical oxygen to hospitals.
Vacuum mattress A vacuum mattress, or vacmat, is a medical device used for the immobilisation of patients, especially in case of a vertebra, pelvis or limb trauma (especially for femur trauma). It is also used for manual transportation of patients for short distances (it replaces the stretcher).
Vacuum newspaper The Vacuum is a free monthly newspaper published in Belfast, Northern Ireland by the arts organisation Factotum. Each issue is themed and contains critical commentary about the city and broader cultural issues.
Vacuum plasmaspraying Vacuum plasmaspraying (VPS) is a technology for etching and surface modification to create porous layers with high reproductibility and for cleaning and surface engineering of plastics, rubbers and natural fibres as well as for replacing CFCs for cleaning metal components.
Vacuum polarization In quantum field theory, vacuum polarization describes a process in which an electromagnetic field produces virtual electron-positron pairs that change the distribution of charges and currents that generated the original electromagnetic field. It is also sometimes referred to as the self energy of the gauge boson.
Vacuum solution (general relativity) In general relativity, a vacuum solution is a Lorentzian manifold whose Einstein tensor vanishes identically. According to the Einstein field equation, this means that the stress-energy tensor also vanishes identically, so that no matter or non-gravitational fields are present.
Vacuum tube In electronics, a vacuum tube or (outside North America) thermionic valve or just valve, is a device generally used to amplify, switch or otherwise modify, a signal by controlling the movement of electrons in an evacuated space.
Vacuum variable capacitor A vacuum variable capacitor uses high vacuum as the dielectric instead of air or other insulating material. A higher voltage rating and/or capacitance value can be achieved using a smaller total volume this way.
Vacuuming Completely Nude In Paradise Vacuuming Completely Nude In Paradise, is one of two TV Films directed by Danny Boyle in 2001; the other was Strumpet. A satire on door-to-door salesman, it features Timothy Spall and Michael Begley in the lead roles.
Vad livet har att ge Vad livet har att ge is a compilation album by Kikki Danielsson & Kjell Roos Band, released in Norway in February 2005 on Norwegian label Tylden & Co.. Six of the songs were new, in them Kikki Danielsson sings solo only in the title track, written by Kjell Roos.
Vadakkankulam Vadakkankulam is a small town in Tirunelveli District of Tamil Nadu state, India. Its notable attractions are the Holy Family church in which the clothes and belongings of the Christian martyr, Devasahayam Pillai, are kept.
Vadamarachchi Operation Medal The Vadamarachchi Operation Medal() is presented to all ranks of the Regular and Volunteer Forces of the military of the Republic of Sri Lanka, that who have served in Vadamarachchi Operation and the below mentioned tasks.
Vadding Vadding is a verb which has become synonymous with urban exploration. The origin of the word comes from MIT where, for a time in the late 1970s, some of the student population was helplessly addicted to a computer game called ADVENT.
Vade retro satana Vade retro satana ("Step back, Satan") is a Medieval Catholic formula for exorcism, recorded in a 1415 manuscript found in the Abbey of Metten in Bavaria and traditionally attributed to Saint Benedict.
Vademon Vademon is a fictional character from the Digimon franchise. He is intelligent but has no room in his brain for conscience, thus Vademon desires a glut of knowledge for himself alone and stupidity for all those he encounters.
Vader's Quest Vader's Quest is a four issue comic book miniseries set in the Star Wars Expanded Universe, written by Darko Macan and drawn by Dave Gibbons and Angus Mckie. Published by Dark Horse Comics, the original four issues appeared in February through May of 1999; a trade paperback reprinting all four was released in December of that same year.
Vadim Alexeev Vadim Alexeev (born April 21, 1970 in Alma Ata, Kazakhstan) is a former breaststroke swimmer from Israel, who was born in the Soviet Union. He competed in two Olympiads, first for the Soviet Union and then for Israel after emigrating in the early 1990s.
Vadim Bakatin Vadim Viktorovich Bakatin (Вадим Викторович Бакатин) (born November 6, 1937) was a Russian Soviet political figure. He served as the interior minister of the Soviet Union from 1988 to 1990.
Vadim Fedchuk Vadim Fedchuk (born December 19, 1978 in Moscow, Russia) is a Russian rugby league player currently playing for RC Lokomotiv Moscow in the Championship of Russia competition. His position of choice is usually in the forwards at second-row.
Vadim Gluzman Vadim Gluzman (born 1973 in Ukraine) is a violinist of Israeli descent who began studying the violin at the age of seven. Before moving to Israel in 1990, he studied under Zakhar Bron and later under Yair Kless in Tel Aviv.
Vadim Shefner Vadim Sergeevich Shefner Вадим Сергеевич Шефнер (1915- January 5, 2002) was a Russian poet and writer who started publishing poetry in 1936. His first poetry collection was published in 1940.
Vadim Yaroshchuk Vadim Yaroshchuk () (born April 2, 1966) is a former butterfly and medley swimmer from the Soviet Union, who won two bronze medals at the 1988 Summer Olympics in Seoul, South Korea. He did so as a member of the 4x100 Medley Relay, and in the 200m Individual Medley.
Vadim Zvjaginsev Vadim Zvjaginsev (Zviagintsev) (born August 18, 1976 in Moscow) is a Russian chess grandmaster. On the October 2006 FIDE Elo rating list, he had a rating of 2674, making him world number 33 and Russian number nine.
Vadinar Vadinar is small coastal town located in Jamnagar district of the state of Gujarat, India. There are two oil refineries, the Indian Oil Corporation refinery and Essar oil refinery, as well as a salt production unit located there.
Vadis Vadis is a not for profit 501(c)3 organization which was founded in 1979. Vadis operates in Pierce and King Counties near Seattle, Washington, providing vocational services and supports to people with disabilities.
Vadodara Vadodara (Gujarati: વડોદરા, Hindi Marathi: बडोदा), , also known as Baroda, is the third most-populated town in the Indian state of Gujarat after Ahmedabad and Surat. It is one of four towns in the state with a population of over 1 million, the other being Rajkot and the two cities listed above.
Vadodara train crash The Vadadora rail crash occurred on 21 April 2005 at the village of Samlaya near Vadodara in Gujarat when the Sabarmati Express passenger train crashed at high speed into a stationary goods train carrying cement.
Vadoma The Vadoma, also Wadoma (singular Mudoma) are a tribe living in the west of Zimbabwe, especially in the Urungwe and Sipolilo districts on the Zambezi river valley. They have few contacts with the Bantu majority.
Vadose zone The vadose zone, also termed the unsaturated zone, is the portion of Earth between the land surface and the phreatic zone or zone of saturation ("vadose" is Latin for "shallow"). Water in the vadose zone has a pressure head less than atmospheric pressure, and is retained by a combination of adhesion (funiculary groundwater), and capillary action (capillary groundwater).
Vadstena Abbey Vadstena Abbey (Monasterium sanctarum Mariæ Virgìnis et Brigido in Vatzstena) was the motherhouse of the Bridgettine Order, situated on Lake Vättern, in the Diocese of Linköping, Sweden. The abbey started as one of the farms donated by the king, but the town of Vadstena grew up around it.
Vadula Vadula (Vadhula / Vadoola / Vadhoola / Vatula / Vathula) is a Sanskrit word that has several meanings including "enlightened, lashed by the wind to the point of losing one's sanity, god's madcap, detached from the world, and seeker of truth."
Vaduz Vaduz (pronunciation in IPA: or ) is the capital of the principality of Liechtenstein and the seat of the national parliament. The town, located along the Rhine, has about 5,248 inhabitants, most of whom are Roman Catholic.
Vaelastrasz the Corrupt Vaelastrasz the Corrupt is the second boss in Blackwing Lair, a 40-man raid instance dungeon in World of Warcraft. Vaelastrasz is an elder dragon, member of the Red Dragonflight, who sought to defeat Nefarian himself, but has succumbed to Nefarian's control and is now driven to slay those heroes whom he previously helped.
Vafþrúðnismál In Norse mythology, Vafþrúðnismál (Vafþrúðnir's sayings) is the third poem in the Poetic Edda. It is a conversation in verse form conducted initially between the Æsir Odin and Frigg, and subsequently between Odin and the giant Vafþrúðnir.
Vafsi language Vafsi,(in Persian: وفسی)(in vafsi: ووسی) is an Iranian language spoken in the Vafs village and surrounding area in the Markazi province of Iran. Vafsi belongs to a branch of Iranian languages called the Central Dialects or Raji.
Vag-com VAG-COM is a third party Windows based software package produced by Ross-Tech and used for diagnostics and adjustments of VW, Audi, Seat, Skoda vehicles. These are four of the major brands produced by Volkwagen AG (VAG) where the software draws the first part of it's name.
Vagabond 7 The Vagabond 7 (often referred to only as "V7") is a reality TV show on MCD that documents the lives of seven current college students who are given concert tickets and VIP access to high profile music events with an objective to capture the concert atmosphere and artist interaction on their individual handheld video camera. The “Vagabond 7” interactive website features cast profiles, event clips, original artist content, deleted scenes and audition tapes.
Vagad Vagad is a region in southeastern Rajasthan state of western India. It includes the districts of Banswara and Dungarpur, and is bounded on the north by Mewar region of Rajasthan, on the west and southwest by Malwa region of Madhya Pradesh, and on the southeast and east by Gujarat state.
Vagankovo Cemetery Vagan'kovskoye Cemetery (Ваганьковское кладбище), established in 1771, is located in the Krasnaya Presnya (Красная Пресня) district of Moscow, Russia. It is the burial site for a number of people from the artistic and sports community of Russia and the old Soviet Union.
Vaganova method The Vaganova method is a method of teaching classical ballet that was founded by Agrippina Vaganova, who founded a syllabus for teaching the art of classical ballet. It's origins are derived from the teaching methods of the instructors of the Imperial Ballet School, school of the Imperial Ballet (today the Kirov/Mariinsky Ballet), an academy that is today called the Vaganova Academy of Russian Ballet.
Vagarshak Arutyunovich Ter-Vaganyan Vagarshak Arutyunovich Ter-Vaganyan (1893-1936) was an Armenian communist party leader who was one of the first victims of Joseph Stalin's Great Purge. Ter-Vaganyan was one of sixteen Soviet intellectuals who stood as defendants during the Moscow Show Trials.
Vagas Ferguson Vagas Ferguson (born March 6, 1957, in Richmond, Indiana)was a star running back for the University of Notre Dame who continued on to the National Football League for three seasons with the New England Patriots, who drafted him in the first round, the Cleveland Browns, and the Houston Oilers.
Vagbhata (Ayurveda) Vagbhata is one of the three classic writers of Ayurveda, along with Charaka and Sushruta, who wrote the Ashtanga Sangraha and the Ashtanga Hridaya Samhita. He is thought to have lived in the 7th century AD, after the other two, and his writings often quote them.
Vagelos Program in Life Sciences and Management The Vagelos Program in Life Sciences and Management is a 4-year joint-degree undergraduate program between the College of Arts & Sciences and the Wharton School of the University of Pennsylvania, introduced in the fall of 2006. This "LSM" program was originally proposed and funded by former Merck & Co.
Vagelos Scholars Program In Molecular Life Sciences The Vagelos Program in Molecular Life Sciences is an intense undergraduate program at the University of Pennsylvania, named after the distinguished alumnus and Merck CEO Roy Vagelos (class of 1950) and his wife Diana. Participation is allowed on an invitation-only basis, and acceptance is competitive.
Vagif Mustafa Zadeh Vagif Mustafa Zadeh was an Azeri jazz pianist and composer, famous for fusing jazz and traditional Azeri folk music known as mugam. (His daughter Aziza Mustafa Zadeh now follows in his footsteps as a pianist, composer and singer in the jazz-mugam style.
Vagina The vagina, (from Latin, literally "sheath" or "scabbard" ) is the tubular tract leading from the uterus to the exterior of the body in female placental mammals and marsupials, or to the cloaca in female birds, monotremes, and some reptiles. Female insects and other invertebrates also have a vagina, which is the terminal part of the oviduct.
Vagina envy Vagina envy is when a man envies women because they have a vagina. A sister of the also much-disputed penis envy, vagina envy may be brought about by the fact that a man has low self-esteem about himself, and that personal anguish is focused on his genitals as well.
Vaginal atresia Vaginal Atresia is a birth defect or Congenital anomality of the female Genitourinary System that manifests itself in the absence of a vagina (vaginal agenesis), or a deformed and nonfunctional vagina (Vaginal Atresia).
Vaginal bleeding Vaginal bleeding refers to bleeding in females that are either a physiologic response during the non-conceptional menstrual cycle or caused by hormonal or oganic problems of the reproductive system. Vaginal bleeding may occur at any age, but always needs investigation when encountered in female children or postmenopausal women.
Vaginal Davis Vaginal Davis (born February 23, 1969) is a punk rock drag queen and an avant-garde performance artist. She has performed with such artists as Lisa Crystal Carver, Margaret Cho, and Beck, and has collaborated with underground photographers/film makers Bruce LaBruce, Rick Castro, and with the performance artist Ron Athey.
Vaginal flatulence Vaginal flatulence (flatus vaginalis in Latin) is an emission or expulsion of air from the vagina, often during or after sexual intercourse or (less often) other sexual acts, stretching or exercise. The sound is somewhat comparable to flatulence from the anus but does not involve waste gases and thus often has no specific odor associated.
Vaginal Jesus Vaginal Jesus is a white power band. Starting life on Resistance Records, Vaginal Jesus were more focused on violent racism-oriented lyrics similar to Ethnic Cleansing, though the racism was not serious in nature.
Vaginal mucus Vaginal mucus is a natural substance occurring within the vagina, particularly the cervix, that maintains a certain level of moisture at all times. The consistency of vaginal mucus changes according to the period of the menstrual cycle.
Vaginal ring Vaginal rings (also known as intravaginal rings, or V-Rings) are 'doughnut-shaped' polymeric drug delivery devices designed to provide controlled release of drugs to the vagina over extended periods of time. Several vaginal ring products are currently available, including:
Vaginismus Vaginismus is a condition which affects a woman's ability to engage in any form of vaginal penetration, including sexual penetration, insertion of tampons, and the penetration involved in gynecological examinations. This is the result of a conditioned reflex of the pubococcygeus muscle, which is sometimes referred to as the 'PC muscle'.
Vaginoplasty Vaginoplasty is any surgical procedure whose purpose is correction of vaginal structural defects or to construct or reconstruct the vagina. When vaginoplasty is performed to produce a new vagina when one is lacking, it is sometimes called neovaginoplasty.
Vagit Alekperov Vagit Alekperov (Вагит Юсуфович Алекперов in Russian, Vahid Yusuf oğlu Ələkbərov in Azerbaijani) (born September 1, 1950 in Baku, Azerbaijan) is current President of the leading Russian oil company LUKOIL.
Vagner Love Vagner Love, real name Vagner Silva de Souza, (born June 11, 1984 in Rio de Janeiro) is a Brazilian football (soccer) striker who currently plays for CSKA Moscow. He started his career with Palmeiras, he was a great aid in the 2003 season to help them return to the Brazilian SĂ©rie A, the national first division (premier league).
Vagovagal reflex Vagovagal reflex refers to gastrointestinal tract reflex circuits where afferent and efferent fibers of the vagus nerve coordinate responses to gut stimuli via the dorsal vagal complex in the brain. The vagovagal reflex controls contraction of the GI muscle layers in response to distension of the tract by food.
Vagrancy (biology) Vagrancy is a phenomenon in biology whereby individual animals appear well outside their normal range; individual animals which exhibit vagrancy are known as vagrants. The term accidental is sometimes also used.
Vagrancy Handicap The Vagrancy Handicap is a race for thoroughbred horses open to fillies and mares age three and up. The Grade II race is run each summer at Belmont Park for a purse of $200,000 over six and one-half furlongs on the dirt.
Vagrant Records Vagrant Records was founded by Face To Face manager Rich Egan and friend Jon Cohen in 1996, the label is a true rags-to-riches story. From the label's humble beginnings with their Before You Were Punk compilations, to gold albums and MTV Video Music Awards, the independent label has been a dominant force in the indie scene for the past half a decade.
Vague club, Leeds Vague at the Warehouse club in Leeds (circa 1993–1995) was a nightclub originated by Suzy Mason and Paul Fryer, in association with Nick Raphael, who left to pursue a career in the music business. The resident disk jockeys were Trannies With Attitude.
Vaguely Noble Vaguely Noble (1965-1989) was an Irish-bred Thoroughbred racehorse who competed in the United Kingdom and France. The colt is best known as the winner of the 1968 Prix de l'Arc de Triomphe and as the sire of 1976 Epsom Derby winner Empery and the United States Hall of Fame horses Exceller and Dahlia.
Vagueness Ambiguity is one way in which the meanings of words and phrases can be unclear, but there is another way, which is different from ambiguity: vagueness. For example, some men are definitely bald, and there is no debating the matter, for instance, Patrick Stewart (Captain Picard of Star Trek: The Next Generation).
Vagus nerve The vagus nerve (also called pneumogastric nerve or cranial nerve X) is the tenth of twelve paired cranial nerves, and is the only nerve that starts in the brainstem (within the medulla oblongata) and extends, through the jugular foramen, down below the head, to the abdomen.
Vagus nerve stimulation Vagus nerve stimulation (VNS) is an adjunctive treatment for certain types of intractable epilepsy and clinical depression. VNS uses an implanted stimulator that sends electric impulses to the left vagus nerve in the neck via a lead implanted under the skin.
Vagusstoff Vagusstoff refers to the substance released by stimulation of the vagus nerve which causes a reduction in the heart rate. Discovered in 1921 by physiologist Otto Loewi, vagusstoff was the first confirmation of chemical synaptic transmission and the first neurotransmitter ever discovered.
Vagzlis Moedani I (Tbilisi Metro) Vagzlis Moedani station was built in the soviet times as well as all the other stations of Tbilisi Metro. It is believed that the word "Vagzal" actually settled into the Russian language from the name of London Tube station "Vauxhall"
Vahieroa (Tahitian mythology) In Tahitian mythology, Vahieroa is a son of Tafa'i and his wife Hina, and is born at his father's house in the Tapahi hills of Mahina in north Tahiti. He weds Maemae-a-rohi, sister of the ruling chief Tumu-nui.
Vahieroa (Tuamotu mythology) In Tuamotu mythology, Vahieroa marries Matamata-taua or Tahiti-to'erau, and on the night of the birth of their son, the great Tuamotuan hero, Rata, the parents go fishing and are snatched away by the demon bird belonging to Puna, king of Hiti-marama, "an island north of Pitcairn and Elizabeth but long since swallowed in the sea." The bird Matatata‘ota‘o bites off the chief's head and swallows it whole.
Vahni Capildeo Vahni Capildeo (born 1973) is a Trinidadian writer who has lived in the United Kingdom since 1991. She was born in Port of Spain, a member of the extended Capildeo family which has produced notable Trinidadian politicians and writers (including V.
Vahram Vahrām or Bahrām (modern Persian, var: Behrām; middle Persian: Warahran) is the Zoroastrian concept of "victory over resistance" and, as the hypostasis of victory, is one of the principal figures in the Zoroastrian pantheon of yazatas.
Vahriz Vahriz a Deylamite spahbod (commander) in the service of Sassanid Empire of Persia (Iran), and was the head of a small expeditionary force of low ranking Azatan (Azadan) nobility numbering around 700 sent by Khosrau I to Yemen to help repel the invading Ethiopians of Axum. Vahriz was successful in expelling the invading Ethiopians from Yemen.
Vachana The Vachanas(Kannada: ವಚನಗಳು) are a body of work, and a form of writing, in Kannada. They are usually recognised as part of a movement called the vachana or the Veerashaiva movement of the 12th century C.

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