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gadolinium

(Encyclopedia)gadolinium gădəlĭnˈēəm [key], metallic chemical element; symbol Gd; at. no. 64; at. wt. 157.25; m.p. 1,312℃; b.p. 3,233℃; sp. gr. 7.898 at 25℃; valence +3. Gadolinium is a malleable, ducti...

Jordan, Michael Jeffrey

(Encyclopedia)Jordan, Michael Jeffrey, 1963–, American basketball player, b. Brooklyn, N.Y. As a freshman at the Univ. of North Carolina, he made the shot that won the 1982 National Collegiate Athletic Associatio...

Katmai National Park and Preserve

(Encyclopedia)Katmai National Park and Preserve kătˈmī [key], at the northern end of the Alaska Peninsula on Shelikof Strait, S Alaska, comprising Katmai National Park (3,674,530 acres/1,487,664 hectares) and an...

Kolkata

(Encyclopedia)Kolkata kălkŭtˈə [key], city (1991 pop. 10,916,272), capital of West Bengal state, E India, on the Hugli River. It is the second largest city in India and one of the largest in the world. Ten of K...

Poitier, Sir Sidney

(Encyclopedia)Poitier, Sir Sidney, 1927–2022, Bahamian-American actor, b. Miami, raised in the Bahamas, returned to the United States at 14. Poitier served in the 1...

veto

(Encyclopedia)veto [Lat.,=I forbid], power of one functionary (e.g., the president) of a government, or of one member of a group or coalition, to block the operation of laws or agreements passed or entered into by ...

Transkei

(Encyclopedia)Transkei trănskīˈ [key], former black “homeland” and nominal republic, E South Africa, in what is now Eastern Cape prov. Transkei was bounded by the Great Kei River on the south, by the Indian ...

binary system

(Encyclopedia)binary system, numeration system based on powers of 2, in contrast to the familiar decimal system, which is based on powers of 10. In the binary system, only the digits 0 and 1 are used. Thus, the fir...

redstart

(Encyclopedia)redstart, common name for an Old World thrush of the genus Phoenicurus, family Turdidae. A small, slender-legged songbird, it is found in woodlands, parks, and heaths. The European redstart, P. phoeni...

Cook, James

(Encyclopedia)Cook, James, 1728–79, English explorer and navigator. The son of a Yorkshire agricultural laborer, he had little formal education. After an apprenticeship to a firm of shipowners at Whitby, he joine...