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berkelium
(Encyclopedia)berkelium bûrˈklēəm [key] [from Berkeley], artificially produced radioactive chemical element; symbol Bk; at. no. 97; mass no. of most stable isotope 247; m.p. about 1,050℃; b.p. about 2,590℃;...Brown v. Board of Education of Topeka, Kans.
(Encyclopedia)Brown v. Board of Education of Topeka, Kans., case decided by the U.S. Supreme Court in 1954. Linda Brown was denied admission to her local elementary school in Topeka because she was black. When, com...taxon
(Encyclopedia)taxon (pl. taxa), in biology, a term used to denote any group or rank in the classification of organisms, e.g., class, order, family. ...taxonomy
(Encyclopedia)taxonomy: see classification.systematics
(Encyclopedia)systematics: see classification. ...Dewey, Melvil
(Encyclopedia)Dewey, Melvil, 1851–1931, American library pioneer, originator of the Dewey decimal system, b. Adams Center, N.Y., grad. Amherst (B.A., 1874; M.A., 1877). A man of originality and of enormous energy...nomenclature, biological
(Encyclopedia)nomenclature, biological: see classification. ...kingdom
(Encyclopedia)kingdom, in taxonomy: see classification. ...division, in taxonomy
(Encyclopedia)division, in taxonomy: see classification. ...order
(Encyclopedia)order, in taxonomy: see classification. ...Browse by Subject
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