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cassiterite
(Encyclopedia) cassiteritecassiteritekəsĭtˈərīt [key], heavy, brown-to-black mineral, tin oxide, SnO2, crystallizing in the tetragonal system. It is found as short prismatic crystals and as irregular…cattail
(Encyclopedia) cattail or reed mace, any plant of the genus Typha, perennial herbs found in almost all open marshes. The cattail (also called club rush) has long narrow leaves, sometimes used for…bat
(Encyclopedia) bat, winged mammal of the order Chiroptera, which includes 900–1,000 species classified in about 200 genera and 17 families. Bats range in size from a wingspread of over 5 ft (150 cm)…Margaret
(Encyclopedia) Margaret, 1930–2002, British princess, second daughter of King George VI and sister of Queen Elizabeth II, b. Glamis, Scotland. In 1960 she married a commoner, the photographer Antony…Hawkes, John
(Encyclopedia) Hawkes, John (John Clendennin Burne Hawkes, Jr.), 1925–98, American writer, b. Stamford, Conn., grad. Harvard, 1949. He taught English at Brown Univ. after 1958. Hawkes is considered…sphalerite
(Encyclopedia) sphaleritesphaleritesfălˈərīt, sfāˈ– [key], mineral composed of zinc sulfide, usually containing some iron and a little cadmium. It occurs in crystals of the isometric system but more…Timaeus , Greek historian
(Encyclopedia) TimaeusTimaeustīmēˈəs [key], c.356–c.260 b.c., Greek historian of Tauromenium (now Taormina), Sicily. Son of the tyrant of the city, he was banished by Agathocles either in 317 or 312…Briggs, Le Baron Russell
(Encyclopedia) Briggs, Le Baron Russell, 1855–1934, American educator, b. Salem, Mass., grad. Harvard (B.A., 1875; M.A., 1882). As a teacher at Harvard he developed, with Barrett Wendell, a…Britton, Nathaniel Lord
(Encyclopedia) Britton, Nathaniel Lord, 1859–1934, American botanist, grad. Columbia School of Mines, 1879. He taught geology and botany at Columbia, 1879–96. He was the New York Botanical Garden's…black-eyed Susan
(Encyclopedia) black-eyed Susan or yellow daisy, North American daisylike wildflower (Rudbeckia hirta) of the family Asteraceae (aster family) with yellow rays and a dark brown center. It is a weedy…Trending
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