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terbium

(Encyclopedia)terbium tûrˈbēəm [key] [from Ytterby, a village in Sweden], metallic chemical element; symbol Tb; at. no. 65; at. wt. 158.92535; m.p. 1,356℃; b.p. 3,123℃; sp. gr. about 8.25; valence +3 or +4....

cerebellum

(Encyclopedia)cerebellum sĕrˌəbĕlˈəm [key], portion of the brain that coordinates movements of voluntary (skeletal) muscles. It contains about half of the brain's neurons, but these particular nerve cells are...

wig

(Encyclopedia)wig, arrangement of artificial or human hair worn to conceal baldness, as a disguise, or as part of a costume, either theatrical, ceremonial, or fashionable. In ancient Egypt the wig was worn to prote...

Mexico, Gulf of

(Encyclopedia)Mexico, Gulf of, arm of the Atlantic Ocean, c.700,000 sq mi (1,813,000 sq km), SE North America. The Gulf stretches more than 1,100 mi (1,770 km) from west to east and c.800 mi (1,290 km) from north t...

Liberal Republican party

(Encyclopedia)Liberal Republican party, in U.S. history, organization formed in 1872 by Republicans discontented at the political corruption and the policies of President Grant's first administration. Other disaffe...

Hempstead

(Encyclopedia)Hempstead hĕmpˈstĕd, –stəd [key]. <1> Town (2020 pop. 793,409), Nassau co., SE N.Y., ...

Hood, John Bell

(Encyclopedia)Hood, John Bell, 1831–79, Confederate general in the American Civil War, b. Owingsville, Ky. He resigned from the army (Apr., 1861) and entered the Confederate service 1862. He fought in the Peninsu...

Hani, Martin Thembisile

(Encyclopedia)Hani, Chris 1942–1993, anti-apartheid activist, politician, and soldier. A legendary figure in South African history and a key participant in the ...

Kael, Pauline

(Encyclopedia)Kael, Pauline kāl [key], 1919–2001, American film critic, b. Petaluma, Calif. Possessed of extremely strong opinions about movies and a feisty, pop-inflected style, Kael was noted for her provocati...

Coltrane, John

(Encyclopedia)Coltrane, John kōltrānˈ, kōlˈtrān [key], 1926–67, American jazz musician, b. Hamlet, N.C. He began ...