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horn, in zoology
(Encyclopedia)horn, in zoology, one of a pair of structures projecting from the head of a hoofed animal, used chiefly as a weapon. In cattle, sheep, Old World antelopes, and related animals the horns are permanent ...discus throwing
(Encyclopedia)discus throwing, gymnastic exercise of the ancient Greeks, revived in modern times, especially as part of the Olympic games (in which it is an event of the decathlon) and as an event of most other tra...pacemaker, artificial
(Encyclopedia)pacemaker, artificial, device used to stimulate a rhythmic heartbeat by means of electrical impulses. Implanted in the body when the heart's own electrical conduction system (natural pacemaker) does n...tarsier
(Encyclopedia)tarsier tärˈsēər [key], small, nocturnal, forest-dwelling prosimian primate, genus Tarsius. There are at least three species found in the Philippines, in Sumatra and Borneo, and in Sulawesi. Tarsi...Emigrant Aid Company
(Encyclopedia)Emigrant Aid Company, organization formed in 1854 to promote organized antislavery immigration to the Kansas territory from the Northeast. Eli Thayer conceived the plan as early as Feb., 1854, even be...Arlen, Harold
(Encyclopedia)Arlen, Harold ärˈlən [key], 1905–86, American jazz and popular composer, b. Buffalo, N.Y., as Hyman Arluck. From the age of seven Arlen sang in the synagogue where his father was cantor, at 15 he...marmoset
(Encyclopedia)marmoset märˈməzĕtˌ [key], name for many of the small, squirrellike New World monkeys of the family Callithricidae. Members of this family are all found in tropical South America, with one specie...Henson, Jim
(Encyclopedia)Henson, Jim (James Maury Henson), 1936–90, American puppeteer, creator of the Muppets, b. Greenville, Miss., grad. Univ. of Maryland (A.B., 1960). In 1954 he got his first job as a local television ...Stegosaurus
(Encyclopedia)Stegosaurus stĕgəsôrˈəs [key] [Gr.,=roof lizard], quadriped ornithischian dinosaur of the late Jurassic period. About 29 ft 6 in (9 m) long, it had short forelegs, four long bony spikes on a flex...Bethel, in the Bible
(Encyclopedia)Bethel bĕthˈəl [key] [Heb.,=house of God]. 1 Ancient city of central Palestine, the modern Baytin, the West Bank, N of Jerusalem. According to the Bible, where it is frequently mentioned, it was or...Browse by Subject
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