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azimuth

(Encyclopedia)azimuth ăzˈəməth [key], in astronomy, one coordinate in the altazimuth coordinate system. It is the angular distance of a body measured westward along the celestial horizon from the observer's sou...

Oregon, University of

(Encyclopedia)Oregon, University of, mainly at Eugene; state supported; coeducational; chartered 1872, opened 1876. Its is one of seven institutions in the Oregon Univ. System. The university has schools and colleg...

Duncan Smith, Iain

(Encyclopedia)Duncan Smith, Iain, 1954–, British political leader, b. Edinburgh. Educated at the Royal Military Academy, Sandhurst, he served in the Scots Guards from 1975 to 1981, leaving the army for a series o...

aorta

(Encyclopedia)CE5 Aorta aorta āôrˈtə [key], primary artery of the circulatory system in mammals, delivering oxygenated blood to all other arteries except those of the lungs. The human aorta, c.1 in. (2.54 c...

antifreeze

(Encyclopedia)antifreeze, substance added to a solvent to lower its freezing point. The solution formed is called an antifreeze mixture. Antifreeze is typically added to water in the cooling system of an internal-c...

guild socialism

(Encyclopedia)guild socialism, form of socialism developed in Great Britain that advocated a system of industrial self-government through national worker-controlled guilds. The theory, as originated by Arthur J. Pe...

Walsingham, Sir Francis

(Encyclopedia)Walsingham, Sir Francis wôlˈsĭng-əm [key], 1532?–1590, English statesman. A zealous Protestant, he went abroad during the reign of Queen Mary I but returned on the accession (1558) of Elizabeth ...

buoy

(Encyclopedia)buoy boi, bo͞oˈē [key], float anchored in navigable waters to mark channels and indicate dangers to navigation (isolated rocks, mine fields, cables, and the like). The shape, color, number, and mar...

sympathomimetic drug

(Encyclopedia)sympathomimetic drug sĭmpăthˌōmĭmĕtˈĭk [key], any of a group of substances whose actions resemble the response of stimulated sympathetic nerves (see nervous system). These drugs include epinep...

testis

(Encyclopedia)testis tĕsˈtĭkəl [key], one of a pair of glands that produce the male reproductive cells, or sperm. In fetal life the testes develop in the abdomen, then descend into an external sac, the scrotum....