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tin

(Encyclopedia)tin, metallic chemical element; symbol Sn [Lat. stannum]; at. no. 50; at. wt. 118.710; m.p. 231.9681℃; b.p. 2,270℃; sp. gr. 5.75 (gray), 7.3 (white); valence +2 or +4. Tin exhibits allotropy; abov...

Revere, Paul

(Encyclopedia)Revere, Paul, 1735–1818, American silversmith and political leader in the American Revolution, b. Boston. In his father's smithy he learned to work gold and silver, and he became a leading silversmi...

computer music

(Encyclopedia)computer music, term used to describe music composed or performed with the aid of a computer. The first substantial piece of music composed on a computer was the Illiac Suite (1956) by the avant-garde...

wind instrument

(Encyclopedia)CE5 Wind instruments wind instrument, in music, any instrument whose tone is produced by a vibrating column of air. In the pipe organ the column of air is set into vibration by mechanical means. O...

ode

(Encyclopedia)ode, elaborate and stately lyric poem of some length. The ode dates back to the Greek choral songs that were sung and danced at public events and celebrations. The Greek odes of Pindar, which were mod...

Kopit, Arthur

(Encyclopedia) Kopit, Arthur, 1937-2021, American playwright, b. New York, New York, as Arthur Lee Koenig, Harvard Univ. (BS, 1959). Kopit’s parents divorced when h...

Sevier, John

(Encyclopedia)Sevier, John səvērˈ [key], 1745–1815, American frontiersman and political leader. He was born near the site of New Market, Va., the town he founded in his young manhood. In 1773 he moved with his...

Conservative party, Canadian political party

(Encyclopedia)Conservative party, in Canada. 1 Former Canadian political party that merged with the Progressive party to form the Progressive Conservative party. 2 Officially the Conservative party of Canada, polit...

Coolidge, Calvin

(Encyclopedia)Coolidge, Calvin, 1872–1933, 30th President of the United States (1923–29), b. Plymouth, Vt. John Calvin Coolidge was a graduate of Amherst College and was admitted to the bar in 1897. He practice...

signing statement

(Encyclopedia)signing statement, written comment issued by the executive of a government when signing a bill into law. In the United States, such statements have traditionally been comparatively neutral declaration...