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pyridine

(Encyclopedia) pyridinepyridinepĭrˈĭdēn [key] or azineazineăzˈēn [key], C5H5N, colorless, flammable, toxic liquid with a putrid odor. It melts at −42℃ and boils at 115.5℃. Chemically, it is a…

Pripyat

(Encyclopedia) PripyatPripyatprēˈpyətyə [key] or PripetPripetprĭˈpĕt [key], Pol. Prypeć, river, c.440 mi (710 km) long, rising NW of Kovel, NW Ukraine, near the Polish border, and flowing generally E…

Prud'hon, Pierre Paul

(Encyclopedia) Prud'hon, Pierre PaulPrud'hon, Pierre Paulpyĕr pôl prüdôNˈ [key], 1758–1823, French painter; 13th child of a Cluny stonemason. He gained recognition in 1796 with Truth Descending from…

Kiefer, Anselm

(Encyclopedia) Kiefer, AnselmKiefer, Anselmkēˈfər [key], 1945–, German painter. One of the major figures of neoexpressionism, he studied (1970) with Joseph Beuys, who heavily influenced his work. His…

Kendall, Edward Calvin

(Encyclopedia) Kendall, Edward Calvin, 1886–1972, American biochemist, b. South Norwalk, Conn., grad. Columbia (B.S., 1908; Ph.D., 1910). At St. Luke's Hospital, New York City, he did research on the…

Amacher, Maryanne

(Encyclopedia) Amacher, Maryanne, 1938–2009, American avant-garde composer, b. Kane, Pa. She studied composition with Georg Rochberg at the Univ. of Pennsylvania (B.F.A., 1964), and privately with…

Ibn Gabirol, Solomon ben Judah

(Encyclopedia) Ibn Gabirol, Solomon ben JudahIbn Gabirol, Solomon ben Judahĭˈbən gäbēˈrôl [key], c.1021–1058, Jewish poet and philosopher, known also as Avicebron, b. Malaga. His secular poetry deals…

Jamison, Judith

(Encyclopedia) Jamison, JudithJamison, Judithjāˈməsən [key], 1944–, American dancer and choreographer, b. Philadelphia. She studied ballet, tap, jazz, and modern dance, and made her debut with the…

incubator

(Encyclopedia) incubator, apparatus for the maintenance of controlled conditions in which eggs can be hatched artificially. Incubator houses with double walls of mud, a fireroom, and several…

Azov, Sea of

(Encyclopedia) Azov, Sea of, Gr. Maiotis, Lat. Palus Maeotis, ancient Rus. Surozhskoye, northern arm of the Black Sea, c.14,000 sq mi (36,300 sq km), shared by S European Russia and E Ukraine. The…