Ostrogoth The Ostrogoths , in distinction from the Visigoths , were a Germanic tribes that influenced political events of the late Roman Empire. An older appellation, "Greutungi" , gave way to Ostrogothi "eastern Goths" and Old Norse gotar around the sixth century.
	Ostrya Ostrya is a genus of eight to ten small deciduous trees belonging to the birch family Betulaceae. Its common name is Hophornbeam in American English and Hop-hornbeam in British English. It may also be called ironwood, a name shared with a number of other plants.
	Ostrya virginiana Ostrya virginiana, is a species of Ostrya native to eastern North America, from Nova Scotia west to southern Manitoba and eastern Wyoming, southeast to northern Florida and southwest to eastern Texas. Other names include eastern hophornbeam, hardhack, ironwood, and leverwood.
	Oswald Oswald can refer to:
	Oswald Spengler Oswald Arnold Gottfried Spengler was a German historian and philosopher whose interests also included mathematics, science, and art. He is best known for his book The Decline of the West in which he puts forth a cyclical pattern theory of the rise and decline of civilizations.
	Othello The Tragedy of Othello, the Moor of Venice is a tragedy by William Shakespeare written around 1603. The first known performance of this play was on November 1, 1604, at Whitehall Palace in London.
	Otho Marcus Salvius Otho was Roman Emperors from January 15 to April 16, in 69, the second emperor of the Year of the four emperors.
	Otic ganglion The otic ganglion is a parasympathetic ganglion located immediately below the foramen ovale. Anatomically, it is reddish-grey and flattened, and is related to the maxillary nerve and internal pterygoid nerves, to the cartilage part of the Eustachian tube, to the origin of the tensor palati muscle, and to the middle meningeal artery.
	Otoscope An Otoscope or auriscope is a medicine device which is used to look into the ears. Health care providers use otoscopes to screen for illness during regular check-ups and also to investigate when a symptom involves the ears. With an otoscope, it is possible to visualize the outer ear and middle ear.
	Ottawa Ottawa is the capital of Canada, and the country's fourth largest city. It is located in the Ottawa Valley on the eastern edge of the provinces and territories of Canada of Ontario, right at the border with Quebec, about 400 km east of Toronto and 190 km west of Montreal.
	Ottawa River The Ottawa River defines for most of its length the border between the Canada provinces of Ontario and Quebec. It rises from its source in Lake Capimitchigama in the Laurentian mountains of central Quebec, flows west to Lake Timiskaming where it reaches the Ontario border, then flows southeast to Ottawa and Gatineau where it tumbles over the Chaudire Falls and further takes in the Rideau River and Gatineau River rivers.
	Otter The aquatic carnivore mammals known as otters form part of the large and diverse Family Mustelidae, which also includes weasels, polecats, badgers, and others. With 13 species in 7 genus, otters have an almost worldwide distribution.
	Otterhound The Otterhound is an old United Kingdom dog breed, with Bloodhound ancestors, and who is in turn one of the ancestors of the Airedale Terrier.
	Ottmar Mergenthaler Ottmar Mergenthaler was a Germany inventor, who has been called a second Gutenberg because his invention of a machine that could easily and quickly set movable type revolutionized the art of printing. Prior to Mergenthaler's invention of the linotype in 1886, no newspaper in the world had more than eight pages.
	Otto Loewi Otto Loewi was a Germany-United States pharmacology. His discovery of acetylcholine helped in enhancing medical therapy and personally earned for him the 1936 Nobel Prize in Physiology or Medicine which he shared with Sir Henry Dale.
	Otto Robert Frisch Otto Robert Frisch, Austria-United Kingdom physicist. With his collaborator Rudolf Peierls he designed the first theoretical mechanism for the detonation of an atomic bomb in 1940. Frisch was Jewish, born in Vienna in 1904 the son of a painter and a concert pianist.
	Otto von Bismarck Otto Eduard Leopold, Prince von Bismarck, Duke of Lauenburg was one of the most prominent European aristocrats and statesmen of the nineteenth century. As Prime Minister of Prussia from 1862 to 1890, he engineered Unification of Germany.
	Otto Wagner Otto Koloman Wagner was an Austrian architect. Wagner was born in Penzing, a suburb of Vienna. He studied in Berlin and Vienna. In 1864, he started designing his first buildings in the historicist style. In 1884, he became a teacher in the school of architecture of the Academy of Fine Arts Vienna.
	Ottoman Empire The Ottoman Empire , is also sometimes known in the Western world as the Turkish Empire. At the height of its power in the 16th century and 17th century, its territory included Anatolia, the Middle East, parts of North Africa, and much of south-eastern Europe to the Caucasus.
	Ottorino Respighi Ottorino Respighi was an Italy composer, musicologist and violin. He is perhaps best known for his Roman trilogy and the three suites of Ancient Airs and Dances.
	Ouija Ouija refers to the belief that one can receive messages during a sance by the use of a Ouija board and planchette. The fingers of the participants are placed on the planchette which then moves about a board covered with numbers, letters and symbols so as to spell out messages.
	Our Lord's Candle Hesperoyucca whipplei is a species of flowering plant closely related to and formerly usually included in the genus Yucca. It is native to southern California, United States and Baja California, Mexico, where it occurs mainly in chaparral, coastal sage scrub, and oak woodland plant communities at altitudes of 300-2500 m.
	Out-of-body experience An out-of-body experience is an experience that typically involves a sensation of floating outside of one's body and, in some cases, seeing one's physical human body from a place outside one's body. Approximately one in ten people claim to have had an out-of-body experience at some time in their lives.
	Outaouais Outaouais is a region of western Quebec, Canada. Population: 338 491. It includes the cities of Gatineau, Quebec, Montebello, Pontiac, and Maniwaki and is located on the north side of the Ottawa River opposite Canada's capital, Ottawa. It is home to the Gatineau Olympiques, a junior hockey team in the Quebec Junior hockey league.
	Outback The Outback is the remote and arid interior and north of Australia, although the term colloquially can cover any lands outside of the main urban areas. The term outback is generally used to refer to locations that are comparatively more remote than those areas deemed "The Bush".
	Outboard motor An outboard motor is a marine propulsion system for boats.
	Outcrop Outcrop is a Geology term referring to the appearance of bedrock or superficial deposits exposed at the surface of the Earth. In most places the bedrock or superficial deposits are covered by a mantle of soil and vegetation and cannot be seen or examined closely. However in places where the overlying cover is removed through erosion, the rock may be exposed, or crop out.
	Outer Hebrides The Outer Hebrides or Western Isles comprise an island chain off the west coast of Scotland. They form part of the Hebrides, separated from the Scottish mainland and from the Inner Hebrides by the stormy stretch of water known as the Minch and the Little Minch.
	Outer space Outer space, also simply called space, refers to the relatively empty regions of the universe outside the celestial body's atmosphere of celestial bodies. Outer space is used to distinguish it from airspace. Contrary to popular understanding, outer space is not completely empty but contains a low density of particles, predominantly hydrogen gas as well as electromagnetic radiation.
	Outfielder Outfielder is a collective term including left fielder, center fielder, and right fielder, the three positions in baseball farthest from the batter. Outfielders are primarily engaged in attempting to catch long Putout.
	Outhouse This article refers to an outhouse, privy or kybo that is an old type of toilet in a small structure separate from the main building which does not have a flush or sewer attached. Outhouse can refer to any outbuilding in some countries.
	Outlanders Outlanders is a series of science-fiction novels published by Gold Eagle, an imprint of Harlequin Enterprises Ltd. Set in the same fictional universe as the Deathlands series but separated by a century, Outlanders follows the adventures of a core group of explorers, Kane, Grant, Brigid Baptiste and Domi who operate out of a secret military base known as the Cerberus Redoubt.
	Outlaw An outlaw, a person living the lifestyle of outlawry, meaning literally "outside of the law." In the common law of England, a judgment declaring someone an outlaw was one of the harshest penalties in the legal system. However, romanticised outlaws became stock characters in several fictional settings, particularly in Western movies.
	Outlive Outlive is a Brazilian computer game produced by Continuum Entertainment. It is a mission-based real-time strategy game where the player controls either the human military or robot forces and attempts to eliminate all enemy forces. Released in 2000, Outlive was the second product of Continuum, but also its greatest project so far.
	Outrageous "Outrageous" is the fourth and final single released from Britney Spears' album In the Zone released during the second quarter of 2004 in music. "Outrageous" was both written and produced by R&B artist R. Kelly, who also offers vocals to the track.
	Outrigger * Outrigger canoe racing Category:Ship construction Category:Canoeing Category:Rowing sv:Utriggare
	Outrigger canoe The outrigger canoe is a type of canoe featuring one or more lateral support floats known as outriggers, which are fastened to one or both sides of the main hull. The outrigger bestows greater stability and seaworthiness upon a canoe. Smaller canoes often employ a single outrigger on the port side, while larger canoes usually employ a double outrigger configuration.
	Outsider Art The term Outsider Art was coined by art critic Roger Cardinal in 1972 as an English language synonym for Art Brut, a label created by France artist Jean Dubuffet to describe art created outside the boundaries of official culture; Dubuffet focused particularly on art by insane asylum inmates.
	Oval Office The Oval Office is the official office of the President of the United States. Located in the West Wing of the White House, the oval-shaped office features three large south-facing windows behind the president's Resolute desk and a fireplace at the north end of the room.
	Ovarian cyst An ovarian cyst is any collection of fluid within the ovary. Some of these, called functional cysts, are part of the normal process of menstruation. Any ovarian follicle that is larger than about 2 centimeters is termed an ovarian cyst. Specific types of cyst include graafian follicles or corpus luteum cysts.
	Ovary Ovaries are Ovum-producing reproductive organs found in female organisms.
	Oven An oven is an enclosed compartment for heating, baking or drying. It is most commonly used in cooking and pottery. Two common kinds of modern ovens are gas ovens and electric ovens. Ovens used in pottery are also known as kilns.
	Ovenbird The Ovenbird, Seiurus aurocapillus, is a small songbird of the New World warbler family. Ovenbirds are 14 cm long and weigh 18 g. They have white underparts streaked with black, and olive-brown upperparts. They have a white eye ring, pinkish legs and a thin pointed bill. They have an orange line on the top of the crown bordered on each side with dark brown.
	Overacting Overacting is the exaggeration of gestures and speech when acting. It may be unintentional, particularly in the case of a bad actor, or be part of the role. For the latter, it is commonly used in comical situations. Since the perception of acting quality differs between people the extent of overacting can be subjective.
	Overall An overall is a type of garment which usually used as protective clothing when working, but they have sometimes been items of fashion, especially in the 1990s. Some people call an overall a "pair of overalls" by analogy with "pair of trousers". The word "overall" is also an adjective meaning "above everything".
	Overcoat An overcoat is a long coat worn over other clothing. Overcoats sometimes are mistakenly referred to as topcoats, which are short coats that end at the knee.
	Overcoats Overcoats was singer-songwriter John Hiatt's second album, released in 1975. It was his last album before being dropped by Epic Records.
	Overcup Oak The Overcup Oak is an oak in the List of Quercus species#Section Quercus group. It is native to lowland wetlands in the southeastern United States, from Delaware and southern Illinois south to northern Florida and southeast Texas. It is a medium-sized deciduous tree, growing to 20 m tall, with a trunk up to 80 cm diameter.
	Overdraft An overdraft occurs when withdrawals from a bank account exceed the available balance; i.e. over-drawings. This gives the account a negative balance and in effect means the account provider is offering Credit. If there is a prior agreement with the account provider for an overdraft facility, and the amount overdrawn is within this authorised overdraft, then Interest is normally charged at the agreed rate.
	Overhand knot The overhand knot is a type of knot. This is one of the fundamental knots, and forms the basis of many others including the simple noose, angler's loop, fisherman's knot, and blood knot. The overhand knot is very secure, to the point of over jamming. It should be used if the knot is intended to be permanent .
	Overhead projector An overhead projector is a display system that is used to display images to an audience. They typically consist of a large box containing a very bright lamp and a fan to cool it, on top of which is a large lens that collimated the light. Above the box, typically on a long arm, is a mirror that redirects the light forward instead of up.
	Overkill de:Overkill
	Overmaster The Overmaster is the name of a DC Comics supervillain. He first appeared behind the scenes in Justice League of America #233, and was created by Gerry Conway and Chuck Patton.
	Overnight Overnight is a 2003 Documentary film by Tony Montana and Mark Brian Smith. The film details the rise and fall of filmmaker and musician Troy Duffy. Tagline: There's more than one way to shoot yourself.
	Overpass An overpass is a bridge, road, railway or similar structure that crosses over another road. In North America, a flyover is a high-level overpass, built above main overpass lanes, or a bridge built over what had been an at-grade intersection. Traffic engineers usually refer to the latter as a grade separation.
	Overpopulation Overpopulation is the condition of any organism's numbers exceeding the carrying capacity of its ecological niche. In common parlance, the term usually refers to the relationship between the world population and its environment, Earth.
	Overprint An overprint is the addition of text to the face of a postage stamp after it has been printed. Overprints have been used for many purposes over the years. They have been used as surcharges, commemorations, and control marks. Overprinting can also refer to the process of printing one colour on top of another in reprographics.
	Overseer Rob Overseer is a United Kingdom DJ/Record producer, born in Salisbury probably most well known from his works for soundtracks like Animatrix, Snatch and Any Given Sunday, or video games like ' and Stuntman. His songs are also frequently used in TV television commercial such as Hairdo for Vodafone which featured his song Velocity Shift or the Endeavor television commercial for Mitsubishi, which featured Ho
	Ovid Publius Ovidius Naso , a Roman Empire poet known to the English language-speaking world as Ovid, wrote on topics of love, abandoned women, and mythological transformations. Ranked alongside Virgil and Horace as one of the three wiktionary:canonical poets of Latin literature, Ovid was generally considered the greatest master of the elegiac couplet.
	Oviduct In oviparous animals, the passage from the ovary to the outside of the body is known as the oviduct. The eggs travel along the oviduct. The oviduct in birds is divided in several parts: *Infundibulum *Magnum *Isthmus *Shell Gland *Vagina
	Oviedo Oviedo is the capital city of the Principality of Asturias in northern Spain. It is also the name of the municipality that contains the city. Oviedo is the capital of the Asturias and is the administrative and commercial centre of the region. The city also hosts the annual Prince of Asturias Awards, held in the Campoamor Theatre.
	Ovipositor The ovipositor is an organ used by some of the arthropods for oviposition, i.e. the laying of Egg s. It consists of a maximum of three pairs of appendages formed to transmit the egg, to prepare a place for it, and to place it properly. In some of the insects the organ is used merely to attach the egg to some surface, but in many parasite species it is a piercing organ as well.
	Ovis A sheep is an individual of any of the eight woolly mammal species that comprise the genus Ovis, part of the goat antelope subfamily. All the sheep are bovids and ruminants, meaning they chew cud. The domestic sheep is thought to be descended from the wild moufflon of central Asia and southwest Asia.
	Ovolo Ovolo in architecture, is a molding known also as the echinus, which in Classical architecture was invariably wood carving with the egg-and-dart ornament. The molding is called a quarter-round by woodworkers. Not to be confounded with the "echinus" of the Dorian capital, as this was of a more varied form and of much larger dimensions than the ovolo, which was only a subordinate molding.
	Ovulation Ovulation is the process in the menstrual cycle by which a mature ovarian follicle ruptures and discharges an ovum that participates in reproduction. Ovulation also occurs in the estrous cycle of animals, which differs in many fundamental ways to the menstrual cycle. Note: This article deals primarily with human ovulation; nonhuman animal ovulation is touched on briefly at the conclusion.
	Ovum An ovum is a haploid female reproductive cell or gamete. The word is derived from Latin language, meaning egg or egg . Both animals and embryophytes have ova. The term ovule is used for the young ovum of an animal. In some plants, such as algae, it is also called oosphere.
	Owen Wister Owen Wister was an United States writer of Wild West novels. Owen Wister was born of old money in Philadelphia, Pennsylvania, and a number of place names around Philadelphia can be traced back to the Wister family. He attended schools in Switzerland and Britain, and studied at St. Paul's School in Concord, New Hampshire and Harvard University, where he was an editor of the Harvard Lampoon and a member of Delta Kappa Epsilon.
	Owl An owl is a solitary, mainly nocturnal animal bird of prey. Owls belong to the scientific classification Strigiformes, in which there are 222 known species. Owls mostly hunt small mammals, insects, and other birds, though a few species specialize in hunting fish.
	Owned Owned is an internet Slang used commonly in l33t to acknowledge a form of superiority through the downfall of another group, be it another gaming clan, or a single user. This can be in the context of winning an online game, a debate on a Internet forum, or attaining a successful hack, as well as the signature to a rebuttal, such as "You got 0wned!" to announce the defeat of another user on the internet in the form of a debate or flame war.
	Oxalic acid Oxalic acid is the chemical compound with the formula H2C2O4. This dicarboxylic acid is better described with the formula carboxyl groupCO2H. It is a relatively strongest organic acid, being about 10,000 time stronger than acetic acid.