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Слова на букву oil-pius (15990)

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adv. * * *
n. * * *
adj. * * *
adj. * * *
—overwatcher, n. /oh'veuhr woch"/, v.t. 1. to watch over. 2. Archaic. to weary by keeping awake. [1555-65; OVER- + WATCH] * * *
v. * * *
adj.; overweakly, adv.; overweakness, n. * * *
n. * * *
adj. * * *
/oh'veuhr wair"/, v.t., overwore, overworn, overwearing. to use or wear excessively; wear out; exhaust; tax: needlessly overwearing her best workers; phrases overworn by ...
adj. /oh"veuhr wear"ee/; v. /oh'veuhr wear"ee/, adj., v., overwearied, overwearying. adj. 1. excessively weary; tired out. v.t. 2. to weary to excess; overcome with ...
—overweener, n. /oh'veuhr ween"/, v.i. Archaic. to be conceited or arrogant. [1275-1325; ME overwenen; see OVER-, WEEN] * * *
—overweeningly, adv. —overweeningness, n. /oh"veuhr wee"ning/, adj. 1. presumptuously conceited, overconfident, or proud: a brash, insolent, overweening fellow. 2. ...
See overweening. * * *
Overweg, Adolf
▪ German astronomer, geologist, and traveler born July 24, 1822, Hamburg [Germany] died Sept. 27, 1852, Maduari, Chad       German geologist, astronomer, and traveler ...
/oh'veuhr way"/, v.t. 1. to exceed in weight; overbalance or outweigh: a respected opinion that overweighs the others. 2. to weigh down; oppress; burden: gloom that overweighs ...
adj. /oh"veuhr wayt"/; n. /oh"veuhr wayt'/; v. /oh'veuhr wayt"/, adj. 1. weighing too much or more than is considered normal, proper, etc.: overweight luggage; an overweight ...
adj., v.t., overwet or overwetted, overwetting; overwetly, adv.; overwetness, n. * * *
/oh'veuhr hwelm", -welm"/, v.t. 1. to overcome completely in mind or feeling: overwhelmed by remorse. 2. to overpower or overcome, esp. with superior forces; destroy; crush: ...
—overwhelmingly, adv. —overwhelmingness, n. /oh'veuhr hwel"ming, -wel"-/, adj. 1. that overwhelms; overpowering: The temptation to despair may become overwhelming. 2. so ...
See overwhelming. * * *
v.t., overwhipped, overwhipping. * * *
adj.; overwidely, adv.; overwideness, n. * * *
adj.; overwildly, adv.; overwildness, n. * * *
adj.; overwillingly, adv.; overwillingness, n. * * *
adj. * * *
/oh'veuhr wuynd"/, v.t., overwound, overwinding. to wind beyond the proper limit; wind too far: He must have overwound his watch. [1675-85; OVER- + WIND2] * * *
/oh'veuhr win"teuhr/, v.i. to pass, spend, or survive the winter: to overwinter on the Riviera. [1890-95; OVER- + WINTER; prob. trans. of Norw overvintre] * * *
/oh"veuhr wuyeur'/, n. a spiral-bound book in which the spiral is covered by the spine. [OVER- + WIRE] * * *
/oh"veuhr wuyz"/, adj. excessively or unusually wise: overwise for a child of her age. [1525-35; OVER- + WISE1] * * *
adj. * * *
/oh'veuhr with hohld", -widh-/, v., overwithheld, overwithholding. v.t. 1. to withhold too much. 2. to deduct (an amount in withholding tax) in excess of the tax to be ...
/oh"veuhr werrd'/, n. a word that is repeated, as a refrain in a song. [1490-1500; OVER- + WORD] * * *
/oh'veuhr wawr", -wohr"/, v. pt. of overwear. * * *
v. /oh'veuhr werrk"/; n. /oh"veuhr werrk'/, v.t. 1. to cause to work too hard, too much, or too long; weary or exhaust with work (often used reflexively): Don't overwork yourself ...
/oh'veuhr wawrn", -wohrn"/, v. pp. of overwear. * * *
o·ver·wound (ō'vər-woundʹ) v. Past tense and past participle of overwind. * * *
/oh'veuhr ruyt"/, v., overwrote, overwritten, overwriting. v.t. 1. to write in too elaborate, burdensome, diffuse, or prolix a style: He overwrites his essays to the point of ...
/oh"veuhr rawt", oh'veuhr-/, adj. 1. extremely or excessively excited or agitated: to become overwrought on hearing bad news; an overwrought personality. 2. elaborated to excess; ...
—overzealously, adv. —overzealousness, n. /oh"veuhr zel"euhs/, adj. too zealous: overzealous for reform. [1625-35; OVER- + ZEALOUS] * * *
See overzealous. * * *
overzealousness [spelling only] * * * See overzealously. * * *
/oh vee"teuh/, n. a female given name. * * *
Ovett, Steve
in full Stephen Michael Ovett born Oct. 9, 1955, Brighton, Sussex, Eng. British runner. He was the winner of gold (in the 800-m race) and bronze medals at the 1980 Olympic ...
a combining form meaning "egg," used in the formation of compound words: oviferous. [ < L ovi-, comb. form of ovum EGG1] * * *
See ovicide. * * *
—ovicidal, adj. /oh"veuh suyd'/, n. a substance or preparation, esp. an insecticide, capable of killing egg cells. [1925-30; OVI- + -CIDE] * * *
—Ovidian /oh vid"ee euhn/, adj. /ov"id/, n. (Publius Ovidius Naso) 43 B.C.-A.D. 17?, Roman poet. * * * Latin Publius Ovidius Naso born March 20, 43 BC, Sulmo, Roman ...
See Ovid. * * *
—oviducal /oh'vi dooh"keuhl, -dyooh"-/, oviductal, adj. /oh"vi dukt'/, n. Anat., Zool. either of a pair of tubes that transport the ova from the ovary to the exterior, the ...
See oviduct. * * *
/aw vye"dhaw/, n. a city in NW Spain. 154,117. * * * ancient Asturias City (pop., 2001: 201,154), capital of Asturias, northwestern Spain. Oviedo lies on a hill surrounded by ...
/oh vif"euhr euhs/, adj. Anat., Zool. bearing eggs. [1820-30; OVI- + -FEROUS] * * *
/oh"veuh fawrm'/, adj. having a shape resembling that of an egg; egg-shaped; ovoid. [1675-85; OVI- + -FORM] * * *
/oh'vim boon"dooh/, n., pl. Ovimbundus (esp. collectively) Ovimbundu. Mbundu (def. 1). * * * Bantu-speaking people of central Angola. Numbering about 4 million, the Ovimbundu ...
/oh"vuyn, oh"vin/, adj. pertaining to, of the nature of, or like sheep. [1820-30; < LL ovinus, equiv. to L ov(is) sheep + -inus -INE1] * * *
Ovington, Mary White
▪ American civil rights activist born April 11, 1865, Brooklyn, New York, U.S. died July 15, 1951, Newton Highlands, Massachusetts       American civil rights activist, ...
/oh vip"euhr euh/, n.pl. Zool. egg-laying animals. [ < NL, L, n. use of neut. pl. of OVIPARUS OVIPAROUS] * * *
See oviparous. * * * ▪ biology       expulsion of undeveloped eggs rather than live young. The eggs may have been fertilized before release, as in birds and some ...
—oviparity /oh'veuh par"i tee/, oviparousness, n. —oviparously, adv. /oh vip"euhr euhs/, adj. Zool. producing eggs that mature and hatch after being expelled from the body, ...
See oviparity. * * *
—oviposition /oh'veuh peuh zish"euhn/, n. /oh'veuh poz"it, oh"veuh poz'-/, v.i. to deposit or lay eggs, esp. by means of an ovipositor. [1810-20; OVI- + -posit < L positus (see ...
See oviposit. * * *
See oviposition. * * *
/oh'veuh poz"i teuhr/, n. 1. (in certain female insects) an organ at the end of the abdomen, by which eggs are deposited. 2. a similar organ in other animals, as certain ...
▪ dinosaur genus   small, lightly built predatory or omnivorous dinosaur that brooded its eggs in a manner similar to birds. Found as fossils in deposits from the Late ...
—ovisaclike, adj. /oh"veuh sak'/, n. Zool. a sac or capsule containing an ovum or ova. [1825-35; OVI- + SAC] * * *
Ovitz, Michael
▪ 1994       In 1993 the middleman was alive, well, and taking his cut in Hollywood. The most powerful such person was Michael Ovitz, who, through his Creative Artists ...
ovo- pref. Variant of ovi-. * * *
ovo-lacto vegetarian
ovo-lacto vegetarian [ō′vō lak΄tō] n. a vegetarian who eats eggs and dairy products * * *
/oh'voh lak'toh vej'i tair"ee euhn/, n. lacto-ovo-vegetarian. [1865-70] * * *
/oh"voyd/, adj. 1. egg-shaped; having the solid form of an egg. 2. ovate (def. 2). n. 3. an ovoid body. [1820-30; < NL ovoides. See OVI-, -OID] * * *
/oh'voh lak tair"ee euhn/, n. lacto-ovo-vegetarian. [1970-75; ovo-, irreg. for OVI- + LACTARIAN] * * *
o·vo·lac·to·veg·e·tar·i·an (ō'vō-lăk'tō-vĕj'ĭ-târʹē-ən) n. A vegetarian whose diet includes eggs and milk or milk products. * * *
/oh"veuh loh'/, n., pl. ovoli /-luy'/. Archit. a convex molding forming or approximating in section a quarter of a circle or ellipse. See illus. under molding. [1655-65; < It, ...
ovonic [ō vän′ik] adj. 〚after S. R. Ov(shinsky) (1922- ), U.S. inventor + (electr)onic〛 [also O-] designating, of, or utilizing various glassy, amorphous materials that ...
▪ king of Benin also called  Overami   died January 1914, Calabar, Southern Nigeria [now Nigeria]       West African ruler who was the last independent oba (king) of ...
/oh'veuh tes"tis/, n., pl. ovotestes /-teez/. Zool. the hermaphroditic reproductive organ of some gastropods, containing both an ovary and a testis. [1875-80; ovo- (irreg. for ...
/oh'voh vi tel"in, -vuy-/, n. Biochem. vitellin. [1905-10; OV(I)- + -O- + VITELLIN] * * *
See ovoviviparous. * * *
—ovoviviparism, ovoviviparity /oh'voh vuy'veuh par"i tee/, ovoviviparousness, n. —ovoviviparously, adv. /oh'voh vuy vip"euhr euhs/, adj. Zool. producing eggs that are hatched ...
See ovoviviparity. * * *
See ovoviviparity. * * *
▪ city, Ukraine       city, western Ukraine. Ovruch was first mentioned in documents in AD 977, when it was known as Vruchyi. The city was incorporated in 1795. Ovruch ...
Ov·shin·sky effect (ŏv-shĭnʹskē, ôv-) n. The effect by which a specific glassy thin film switches from a nonconductor to a semiconductor upon application of a minimum ...
/ov"yeuh leuhr, oh"vyeuh leuhr-/, adj. pertaining to or of the nature of an ovule. [1850-55; < NL ovularis. See OVULE, -AR1] * * *
See ovular. * * *
—ovulation, n. —ovulatory /ov"yeuh leuh tawr'ee, -tohr'ee, oh"vyeuh-/, adj.. /ov"yeuh layt', oh"vyeuh layt'-/, v.i., ovulated, ovulating. Biol. to produce and discharge eggs ...
ovulation [äv΄yə lā′shən ō΄vyəlā′shən] n. 〚 OVULE + -ATION〛 the process by which a mature ovum escapes from an ovary ovulatory [äv΄yo͞olə tôr΄ē, ...
See ovulation. * * *
/ov"yoohl, oh"vyoohl/, n. 1. Bot. a. a rudimentary seed. b. the plant part that contains the embryo sac and hence the female germ cell, which after fertilization develops into a ...
/oh"veuhm/, n., pl. ova /oh"veuh/. 1. Cell Biol. a. the female reproductive cell or gamete of animals, which is capable of developing, usually only after fertilization, into a ...
/ow/, interj. (used esp. as an expression of intense or sudden pain.) * * *
Owain Cyfeiliog
▪ Welsh prince and poet born c. 1130 died c. 1197       Welsh warrior-prince of Powys and poet of distinct originality among the gogynfeirdd (court ...
Owain Gwynedd
▪ Welsh prince also called  Owain ap Gruffydd , Gruffydd also spelled  Gruffudd  died 1170       last great king of North Wales (Gwynedd) who helped advance Welsh ...
▪ territory, Namibia also called  Ovamboland,         geographic region, northern Namibia. Owambo is bordered by the Kaokoland (Kaokoveld) region on the west and by ...
/oh'weuh ton"euh/, n. a city in S Minnesota. 18,632. * * * ▪ Minnesota, United States  city, seat (1856) of Steele county, southern Minnesota, U.S. It lies astride the ...
/oh/, v., owed, owing. v.t. 1. to be under obligation to pay or repay: to owe money to the bank; to owe the bank interest on a mortgage. 2. to be in debt to: He says he doesn't ...
OWelsh abbrev. Old Welsh * * *
/oh"euhn/, n. 1. Sir Richard, 1804-92, English zoologist and anatomist. 2. Robert, 1771-1858, Welsh social reformer in Great Britain and the U.S. 3. Wilfred, 1893-1918, English ...
Owen Falls
▪ waterfall, Uganda       waterfall on the Victoria Nile at Jinja, Ugan. (Uganda), below the river's outlet from Lake Victoria (Victoria, Lake). The falls are the site ...
Owen Glendower
➡ Glendower * * *
Owen Sound
a city in SE Ontario, in S Canada, on Georgian Bay of Lake Huron: summer resort. 19,883. * * *
Owen Stanley
a mountain range on New Guinea in SE Papua New Guinea. Highest peak, Mt. Victoria, 13,240 ft. (4036 m). * * *
Owen Stanley Range
Owen Stanley Range mountain range of Papua New Guinea, in SE New Guinea: highest peak, 13,363 ft (4,073 m) * * * ▪ mountains, Papua New Guinea       segment of the ...
Owen, Alun
▪ British dramatist in full  Alun Davies Owen   born , Nov. 24, 1925, Liverpool, Eng. died Dec. 6, 1994       Welsh dramatist for radio, television, screen, and stage ...
Owen, Daniel
▪ British writer born Oct. 20, 1836, Mold, Flintshire, Wales died Oct. 22, 1895, Mold       writer, considered the national novelist of Wales. He was a natural ...
Owen, Goronwy
▪ British poet also called  Goronwy Ddu o Fôn   born Jan. 1, 1723, Llanfair Mathafarn Eithaf, Anglesey, Wales died July 1769, Brunswick, Va. [U.S.]       clergyman ...
Owen, John
▪ English minister born 1616, Stadhampton, Oxfordshire, Eng. died Aug. 24, 1683, London  English Puritan minister, prolific writer, and controversialist. He was an advocate ...
Owen, Robert
born May 14, 1771, Newtown, Montgomeryshire, Wales died Nov. 17, 1858, Newtown Welsh manufacturer and philanthropist. At his New Lanark cotton mills (Lanarkshire, Scot.), in ...
Owen, Robert Dale
born Nov. 9, 1801, Glasgow, Scot. died June 24, 1877, Lake George, N.Y., U.S. U.S. social reformer. In 1825 he emigrated with his father, Robert Owen, to establish a community ...
Owen, Sir Richard
▪ British anatomist and paleontologist born July 20, 1804, Lancaster, Lancashire, Eng. died Dec. 18, 1892, London  British anatomist (anatomy) and paleontologist who is ...
Owen, Wilfred
born March 18, 1893, Oswetry, Shropshire, Eng. died Nov. 4, 1918, France British poet. Owen was already writing verse before he enlisted in the army in 1915, but the experience ...
Ow·en (ōʹĭn), Robert. 1771-1858. Welsh-born British manufacturer and social reformer who attempted to establish a cooperative community at New Harmony in Indiana ...
Owen, Wilfred. 1893-1918. British poet whose work reflects his experiences in World War I. He was killed in battle. * * *
▪ Gabon  deepwater port, northwestern Gabon, on the north shore of the Gabon Estuary; it serves the national capital, Libreville (9 miles [15 km] north-northwest), and was ...
—Owenist, Owenite, n. /oh"euh niz'euhm/, n. the socialistic philosophy of Robert Owen. [1820-30, Amer.; OWEN + -ISM] * * *
/oh"euhnz/, n. Jesse (John Cleveland), 1913-80, U.S. athlete. * * *
Owens River
▪ river, United States       river, eastern California, U.S. Located in Mono and Inyo counties, it rises in the Sierra Nevada southeast of Yosemite National Park and ...
Owens, Buck
▪ 2007 Alvis Edgar Owens        American singer-songwriter-guitarist (b. Aug. 12, 1929, Sherman, Texas—d. March 25, 2006, Bakersfield, Calif.), helped popularize the ...
Owens, Jesse
orig. James Cleveland Owens born Sept. 12, 1913, Oakville, Ala., U.S. died March 31, 1980, Phoenix, Ariz. U.S. track-and-field athlete. At Ohio State University in 1935, he ...
Owens,James Cleveland
Ow·ens (ōʹĭnz), James Cleveland. Known as “Jesse.” 1913-1980. American track star. He won four gold medals at the 1936 Olympics, upsetting Adolf Hitler's plans to use ...
/oh"euhnz berr'oh, -bur'oh/, n. a city in NW Kentucky, on the Ohio River. 54,450. * * * ▪ Kentucky, United States       city, seat (1815) of Daviess county, on the ...
Owen Sound A city of southeast Ontario, Canada, on Owen Sound, an inlet of Georgian Bay. It is a port and railroad terminal with varied industries. Population: 19,883. * * *
Owens River A river, about 193 km (120 mi) long, of eastern California rising in the Sierra Nevada and flowing generally southward, formerly to Owens Lake, now a dry lake bed ...
OwenStanley Range
Owen Stanley Range A mountain range extending about 483 km (300 mi) southeast to northwest on New Guinea Island in Papua New Guinea. It rises to 4,075.7 m (13,363 ft). * * *
▪ Nigeria       town, capital of Imo state, southern Nigeria, at the intersection of roads from Aba, Onitsha, Port Harcourt, and Umuahia. It is the chief trade centre ...
1. Office of War Information: the former U.S federal agency (1942-45) charged with disseminating information about World War II, as changes in Allied military policy or casualty ...
Sheep. Oldest form *ə₂owi-. 1. ewe, from Old English ēwe, eōwu, ewe, from Germanic *awi-. 2. ovine, from Latin ovis, sheep.   [Pokorny óu̯i-s 784.] * * *
/oh"ing/, adj. 1. owed, unpaid, or due for payment: to pay what is owing. 2. owing to, because of; as a result of: Owing to a mistake in the payroll department, some of us were ...
owing to prep. Because of; on account of: I couldn't attend, owing to illness. * * *
—owllike, adj. /owl/, n. 1. any of numerous, chiefly nocturnal birds of prey, of the order Strigiformes, having a broad head with large, forward-directed eyes that are usually ...
Owl and the Pussy-Cat
a well-known nonsense poem (1871) by Edward Lear. It tells the story of the adventures of an owl and a cat and is very popular with children. Many people know the first few ...
owl butterfly
any of several South American nymphalid butterflies of the genus Caligo, esp. C. eurylochus, having a spot like an owl's eye on each hind wing. [1880-85] * * *
owl monkey
douroucouli. [1860-65] * * *
owl parrot
also called  Kakapo,         New Zealand parrot species of the subfamily Strigopinae. See parrot. * * *
owl's clover
any of several western American plants belonging to the genus Orthocarpus, of the figwort family, having dense spikes of flowers in a variety of colors with conspicuous ...
☆ owl's-clover [oulz′klō΄vər ] n. any of a genus (Orthocarpus) of plants of the figwort family of W North and South America; esp., a California species ( O. purpurascens) ...
owl's claws (oulz) pl.n. (used with a sing. or pl. verb) A perennial plant (Helenium hoopesii) of western North America, having large, rayed, yellow flower heads clustered in ...
owl's clover n. Any of various New World plants of the genus Orthocarpus, having spikes of variously colored tubular flowers enclosed in prominent, often pigmented ...
owl-faced monkey
also called  Hamlyn's monkey        arboreal guenon found in tropical forests (tropical rainforest) east of the Congo basin. The owl-faced monkey is greenish gray with ...
/ow"lit/, n. 1. a young owl. 2. See little owl. [1535-45; OWL + -ET] * * *       commonly, any young owl; the term is also used as the general name for several diminutive ...
owlet frogmouth
▪ bird genus also called  Owlet Nightjar,    any of seven or eight species of shy and solitary night birds belonging to the genus Aegotheles and comprising the family ...
owlet moth
noctuid (def. 1). [1860-65] * * * ▪ insect also called  miller    large worldwide group of more than 20,000 species of triangular, stout-bodied nocturnal lepidopterans. ...
owlet nightjar
any of several birds of the family Aegothelidae, of Australia and Papua New Guinea, related to the nightjars but resembling small owls. * * *
owlet moth n. See noctuid. * * *
▪ insect       any of a group of insects (order Neuroptera) that are frequently mistaken for dragonflies because of their slender bodies and long membranous wings. The ...
—owlishly, adj. —owlishness, n. /ow"lish/, adj. resembling or characteristic of an owl: His thick glasses give him an owlish appearance. [1605-15; OWL + -ISH1] * * *
See owlish. * * *
See owlishly. * * *
/ohn/, adj. 1. of, pertaining to, or belonging to oneself or itself (usually used after a possessive to emphasize the idea of ownership, interest, or relation conveyed by the ...
/oh"neuhr/, n. a person who owns; possessor; proprietor. [1300-50; ME; see OWN, -ER1] * * *
—owner-occupier, n. /oh"neuhr ok"yeuh puyd'/, adj. (of a home, apartment, etc.) used as a residence by the owner. [1950-55] * * *
/oh"neuhr op"euh ray'teuhr/, n. 1. a driver, esp. of a truck or taxicab, who owns and operates a vehicle used to earn a living. 2. a person who both owns and operates a ...
/oh"neuhr ship'/, n. 1. the state or fact of being an owner. 2. legal right of possession; proprietorship. [1575-85; OWNER + -SHIP] * * * ▪ law       the legal relation ...
▪ Nigeria       town, Ondo state, southwestern Nigeria, at the southern edge of the Yoruba Hills (elevation 1,130 feet [344 m]) and at the intersection of roads from ...
/oh wos"oh/, n. a city in central Michigan. 16,455. * * *
/ows/, n., pl. owsen /ow"seuhn, -zeuhn/. Scot. and North Eng. ox. * * *
O·wy·hee (ō-wīʹē, -hē) A river, about 483 km (300 mi) long, of southwest Idaho, northern Nevada, and southeast Oregon. It empties into the Snake River. * * *
Owyhee River
▪ river, United States       river formed by the junction of several forks in the southwestern corner of Idaho, U.S. It flows northwest across the Oregon boundary and ...
—oxlike, adj. /oks/, n., pl. oxen for 1, 2, oxes for 3. 1. the adult castrated male of the genus Bos, used chiefly as a draft animal. 2. any member of the bovine family. 3. ...
Chem. a combining form meaning "containing oxygen": oxazine. [short for OXYGEN] * * *
/oks"uyd'/, adj. having large, round eyes similar to those of an ox. [1615-25; OX + EYED] * * *
ox-tongue partisan
/oks"tung'/ a shafted weapon having a long, wide, tapering blade. Also called langue de boeuf. * * *
Oxford. [ < ML Oxonia] * * *
oxa- [äk′sə] 〚var.
/ok'seuh sil"in/, n. Pharm. a semisynthetic penicillin, C19H19N3O5S, used in the treatment of serious staphylococcal infections. [1960-65; (is)oxa(zole), a component of its ...
ox·al·ac·e·tate (ŏk'səl-ăsʹĭ-tāt') n. Variant of oxaloacetate. * * *
ox·al·a·ce·tic acid (ŏk-săl'ə-sēʹtĭk, ŏk'sə-lə-) n. Variant of oxaloacetic acid. * * *
/ok"seuh layt'/, n. Chem. any salt or ester of oxalic acid, occurring in plants, esp. spinach, rhubarb, and certain other vegetables and nuts, and capable of forming an insoluble ...
/ok sal"ik/, adj. Chem. of or derived from oxalic acid. [1785-95; < F oxalique. See OXALIS, -IC] * * *
oxalic acid
Chem. a white, crystalline, water-soluble, poisonous acid, H2C2O4·2H2O, first discovered in the juice of the wood sorrel species of oxalis and obtained by reacting carbon ...
ox·al·ic acid (ŏk-sălʹĭk) n. A poisonous, colorless crystalline organic acid, HOOCCOOH·2H2O, found in many plants, such as spinach, and used as a bleach and rust ...
▪ plant order  the wood sorrel order of dicotyledonous (dicotyledon) flowering plants, containing 6 families, 58 genera, and 1,810 species. Members of Oxalidales include ...
/ok"seuh lis, ok sal"is/, n. any plant of the genus Oxalis, comprising the wood sorrels. [1595-1605; < L: garden sorrel, sour wine < Gk oxalís, deriv. of oxýs sharp] * * * Any ...
ox·a·lo·ac·e·tate (ŏk'sə-lō-ăsʹĭ-tāt') or ox·al·ac·e·tate (-ăsʹĭ-tāt') n. A salt or an ester of oxaloacetic acid.   [oxalic acid + acetic acid + -ate2.] * * ...
oxaloacetic acid
/ok"seuh loh euh see"tik, ok'-, ok sal"oh-, -sal'-/, Biochem. a crystalline organic acid, C4H4O5, that is an important intermediate in the Krebs cycle, where it is formed by the ...
ox·a·lo·a·ce·tic acid (ŏk'sə-lō-ə-sēʹtĭk, ŏk-săl'ō-) or ox·al·a·ce·tic acid (ŏk-săl'ə-sēʹtĭk, ŏk'sə-lə-) n. A colorless crystalline dicarboxylic ...
oxalosuccinic acid
/ok"seuh loh seuhk sin"ik, ok'-, ok sal"oh-, -sal'-/, Biochem. an organic acid, C6H6O7, that is an intermediate formed by the dehydrogenation of isocitric acid in fat and ...
/ok saz"euh pam'/, n. Pharm. a benzodiazepine, C15H11ClN2O2, used in the management of anxiety, insomnia, and alcohol withdrawal. [1960-65; (hydr)ox(y) + (benzodi)azep(in), ...
/ok"seuh zeen', -zin/, n. Chem. any of a group of 13 compounds having the formula C4H5NO, the atoms of which are arranged in a six-membered ring. [1895-1900; OX- + AZINE] * * *
      any of certain small sandpipers, especially the dunlin (q.v.). In Africa the buffalo weaver (q.v.) and the oxpecker are called oxbirds. * * *
/oks"blud'/, n. a deep dull-red color. Also, oxblood red. [1695-1705; OX + BLOOD] * * *
ox·blood red (ŏksʹblŭd') n. A dark or deep red to medium reddish brown. * * *
/oks"boh'/, n. 1. a U-shaped piece of wood placed under and around the neck of an ox with its upper ends in the bar of the yoke. 2. Physical Geog., Geol. a. a bow-shaped bend in ...
oxbow chest
a chest of drawers having a front convex at the sides and concave in the center without vertical divisions. * * *
oxbow front
Furniture. a front, as of a chest of drawers, having a curve with a concave section between two convex ones. Also called yoke front. Cf. serpentine front. * * *
oxbow lake
Small lake located in a former meander loop of a river or stream channel. It is generally formed as a river cuts through a meander neck to shorten its course, blocks off the old ...
oxbow lake n. A crescent-shaped lake formed when a meander of a river or stream is cut off from the main channel. * * *
/oks"brij'/, Chiefly Brit. n. 1. Oxford or Cambridge University, or both, esp. in contrast with the redbrick universities of England. 2. upper-class intellectual life in England, ...
/oks"kahrt'/, n. an ox-drawn cart. [1740-50; OX + CART] * * *
/ok"seuhn/, n. a pl. of ox. * * *
/ook"seuhn sherdd'nah/, n. Count Axel /ahk"seuhl/, 1583-1654, Swedish statesman. Also, Oxenstjerna. * * *
Oxenstierna (af Södermöre), Axel (Gustafsson), Count
born June 16, 1583, Fånö, near Uppsala, Swed. died Aug. 28, 1654, Stockholm Swedish statesman. Born into a noble family, he became a member of the council of state and in ...
Oxenstierna, Axel, Greve
▪ chancellor of Sweden Introduction (Count), Oxenstierna also spelled  Oxenstjerna   born June 16, 1583, Fånö, near Uppsala, Swed. died Aug. 28, 1654, ...
Oxenstierna, Bengt Gabrielsson, Greve
▪ Swedish statesman born July 16, 1623, Morby Castle, Sweden died July 12, 1702, Stockholm       Swedish statesman who, as the principal foreign policy adviser of King ...
Oxenstierna,Count Axel Gustafsson
Ox·en·stier·na also Ox·en·stjer·na (o͝okʹsən-shĕr'nə, ŏkʹ-), Count Axel Gustafsson. 1583-1654. Swedish politician who virtually ruled Sweden as leader of the ...
/oks"uy'/, n., pl. oxeyes. 1. any of several composite plants, esp. of the genera Heliopsis and Buphthalum, having ray flowers surrounding a conspicuous disk. 2. Informal. any of ...
oxeye daisy
a composite plant, Chrysanthemum leucanthemum, having flowers with white rays and a yellow disk. [1745-55] * * * Garden perennial plant (Chrysanthemum leucanthemum) in the ...
oxeye daisy n. See daisy. * * *
Oxf abbrev. 1. Oxford 2. Oxfordshire * * *
Oxfam [äks′fam΄] n. an international organization (in full Oxford Committee for Famine Relief), established in England in 1942 to provide training and financial aid to people ...
Oxfam International
▪ international organization Oxfam abbreviation of  Oxford Committee for Famine Relief        privately funded, international organization that provides relief and ...
Oxfam shops
➡ Oxfam * * *
/oks"feuhrd/, n. 1. Also called Oxford shoe, Oxford tie. a low shoe laced over the instep. 2. Also called oxford cloth. a cotton or synthetic fabric, in plain, twill, or basket ...
/oks"feuhrd/, n. 1. 1st Earl of. See Harley, Robert. 2. a city in S Oxfordshire, in S England, NW of London: university, founded in 12th century. 116,600. 3. Oxfordshire. 4. a ...
Oxford accent
➡ Received Pronunciation * * *
Oxford Book of English Verse
a collection of English poetry that was first published in 1900 and has appeared in several new editions since then. It is one of the most popular books of poetry in Britain, and ...
Oxford corners
—Oxford cornered. Print. ruled border lines about the text of a page that cross and project slightly at the corners. * * *
Oxford English
➡ Received Pronunciation * * *
Oxford English Dictionary
(also the OED) a very large historical dictionary of the English language, published by Oxford University Press. It is one of the most famous dictionaries in the world, well ...
Oxford English Dictionary, The
▪ English dictionary  definitive historical dictionary of the English language, originally consisting of 12 volumes and a 1-volume supplement. The dictionary is a corrected ...
Oxford English Dictionary, The (OED)
Definitive historical dictionary of the English language. It was conceived by London's Philological Society in 1857, and sustained editorial work began in 1879 under James ...
Oxford frame
a frame for a picture, mirror, etc., consisting of four straight pieces whose ends project beyond the corners. [1870-75] * * *
Oxford gray
medium to dark gray. [1830-40] * * *
Oxford Group
an organization founded at Oxford University in 1921 by Frank Buchman, advocating absolute morality in public and private life. Cf. Moral Re-Armament. * * *
Oxford movement
the movement toward High Church principles within the Church of England, originating at Oxford University in 1833 in opposition to liberalizing, rationalizing, and evangelical ...
Oxford rule
Typography. a type that prints a thick line together with and parallel to a thin one. * * *
Oxford shoe
oxford (def. 1). Also called Oxford tie. [1840-50] * * *
Oxford Street
a popular shopping street in the West End of London. It is one of London’s best-known streets, containing a number of famous department stores as well as large branches of all ...
Oxford theory
the theory attributing the authorship of Shakespeare's plays to Edward de Vere, Earl of Oxford, 1550-1604. Cf. Baconian theory. * * *
Oxford University
the oldest university in Britain, established in the mid 12th century in the town of Oxford, England. It has a high reputation for academic achievement. The university consists ...
Oxford University Press
(abbr OUP) a large publishing company that is part of Oxford University and has been publishing books since the late 17th century. It is an important publisher of academic and ...
Oxford, 17thEarl of
Oxford, 17th Earl of Title of Edward de Vere. 1550-1604. English courtier and poet who is believed by some to have written Shakespeare's plays. * * *
Oxford, Edward de Vere, 17th earl of
orig. Edward de Vere born April 12, 1550, Castle Hedingham, Essex, Eng. died June 24, 1604, Newington, Middlesex English lyric poet. A brilliantly gifted linguist and one of ...
Oxford, John de Vere, 13th Earl of
▪ English soldier born Sept. 8, 1442 died March 10, 1513       English soldier and royal official, a Lancastrian leader in the Wars of the Roses (Roses, Wars of the). ...
Oxford, Provisions of
(1258) Plan of reform accepted by Henry III of England. On the verge of bankruptcy, Henry asked Parliament for a grant of revenue and agreed in return to a program of reform ...
Oxford, Robert de Vere, 9th earl of
▪ English statesman born 1362 died 1392, Leuven, Neth. [now in Belgium]       favourite of King Richard II of England (ruled 1377–99) during that monarch's minority. ...
Oxford, Robert Harley, 1st Earl of, Earl Mortimer, Baron Harley of Wigmore
▪ English statesman born Dec. 5, 1661, London, Eng. died May 21, 1724, London       British statesman who headed the Tory ministry from 1710 to 1714. Although by birth ...
Oxford, University of
Autonomous university at Oxford, Oxfordshire, England. It was founded in the 12th century and modeled on the University of Paris, with initial faculties of theology, law, ...
oxford gray n. A dark gray.   [After Oxford, England.] * * *
Oxfordian Stage
▪ geology       lowest of the three divisions of the Upper Jurassic Series, representing all rocks formed worldwide during the Oxfordian Age, which occurred between ...
Oxford movement n. A movement within the Church of England, originating at Oxford University in 1833, that sought to link the Anglican Church more closely to the Roman Catholic ...
/oks"feuhrd shear', -sheuhr/, n. a county in S England. 539,100; 1008 sq. mi. (2610 sq. km). Also called Oxford, Oxon. * * * Administrative (pop., 2001: 605,492) and historic ...
/oks"hahrt'/, n. any large, heart-shaped variety of sweet cherry. [1840-50; OX + HEART] * * *
/ok"si deuhnt/, n. a chemical agent that oxidizes. Also called oxidizer, oxidizing agent. [1880-85; OXIDE + -ANT] * * *
oxidant smog
/ok"si deuhnt/, Meteorol. See photochemical smog. * * *
—oxidasic /ok'si day"sik, -zik/, adj. /ok"si days', -dayz'/, n. Biochem. any of a class of oxidoreductases that catalyze the oxidation of a substrate by molecular oxygen with ...
See oxidase. * * *
/ok"si dayt'/, v., oxidated, oxidating, n. Chem. v.t., v.i. 1. to oxidize. n. 2. Geochem. any of the class of sediments consisting chiefly of oxides of iron or ...
—oxidational, oxidative, adj. /ok si day"sheuhn/, n. Chem. 1. the process or result of oxidizing. 2. the deposit that forms on the surface of a metal as it oxidizes. Also, ...
oxidation number
▪ chemistry also called  Oxidation State,        the total number of electrons (electron) that an atom either gains or loses in order to form a chemical bond ...
oxidation potential
Physical Chem. (in a galvanic cell) the potential of the electrode at which oxidation occurs. Cf. reduction potential. [1895-1900] * * *
oxidation state
Chem. the state of an element or ion in a compound with regard to the electrons gained or lost by the element or ion in the reaction that formed the compound, expressed as a ...
/ok'si day"sheuhn ri duk"sheuhn/, Chem. n. 1. a chemical reaction between two substances in which one substance is oxidized and the other reduced. adj. 2. of or pertaining to ...
oxidation–reduction reaction
▪ chemical reaction Introduction also called  redox reaction        any chemical reaction in which the oxidation number of a participating chemical species changes. ...
See oxidation. * * *
oxidative phosphorylation
Biochem. the aerobic synthesis, coupled to electron transport, of ATP from phosphate and ADP. [1950-55] * * *
See oxidative. * * *
oxidative phosphorylation n. The process in cell metabolism by which respiratory enzymes in the mitochondria synthesize ATP from ADP and inorganic phosphate during the oxidation ...
oxidative stress n. A condition of increased oxidant production in animal cells characterized by the release of free radicals and resulting in cellular degeneration. * * *
—oxidic /ok sid"ik/, adj. /ok"suyd, -sid/, n. Chem. a compound in which oxygen is bonded to one or more electropositive atoms. Also, oxid /ok"sid/. [1780-90; < F (now oxyde), ...
oxide mineral
Any naturally occurring inorganic compound with a structure based on close-packed oxygen atoms in which smaller, positively charged metal or other ions occur. Oxide minerals are ...
Oxide minerals
▪ Table Oxide minerals name colour lustre Mohs hardness specific gravity anatase brown to indigo blue and black; also variable adamantine to metallic ...
See oxide. * * *
—oxidimetric /ok'si di me"trik/, adj. /ok'si dim"i tree/, n. a technique of analytical chemistry that utilizes oxidizing agents for titrations. [1895-1900; OXIDE + -I- + ...
See oxidize. * * *
See oxidizable. * * *
—oxidizable, oxidable /ok"si deuh beuhl/, adj. —oxidizability, n. /ok"si duyz'/, v., oxidized, oxidizing. Chem. v.t. 1. to convert (an element) into an oxide; combine with ...
/ok"si duy'zeuhr/, n. Chem. oxidant. [1870-75; OXIDIZE + -ER1] * * *
oxidizing agent
Chem. oxidant. * * *
/ok'si doh ri duk"tays, -tayz'/, n. Biochem. any of a class of enzymes that act as a catalyst, some of them conjointly, causing the oxidation and reduction of compounds. Also, ...
/ok"seem, -sim/, n. Chem. any of a group of compounds containing the group > C=NOH, produced by the condensation of ketones or aldehydes with hydroxylamine. [1890-95; OX(YGEN) + ...
—oximetric /ok'si me"trik/, adj. /ok sim"i teuhr/, n. Med. an instrument for measuring the oxygen saturation of the hemoglobin in a sample of blood. [1940-45; OX- + -I- + ...
See oximeter. * * *

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