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trunkfish

(Encyclopedia)trunkfish, any member of a family of fishes, Ostraciidae, also called boxfishes, that have short triangular bodies covered by firmly united hexagonal bony plates. Only the jaw, the bases of the fins, ...

Casamance

(Encyclopedia)Casamance kăzˈəmäns [key], river, c.200 mi (320 km) long, W Africa. It rises in S Senegal and flows westward, emptying in the Atlantic Ocean. The virtually unnavigable river lies in a region of lu...

autotroph

(Encyclopedia)autotroph ôtˈətrōfˌ [key], in biology, an organism capable of synthesizing its own organic substances from inorganic compounds. Autotrophs produce their own sugars, lipids, and amino acids using ...

Cohen, William Sebastian

(Encyclopedia)Cohen, William Sebastian, 1940–, American politician, b. Bangor, Maine. He attended Bowdoin College (B.A., 1962) and Boston Univ. (LL.B., 1965). A Republican, he was elected to the House of Represen...

Panama Canal Zone

(Encyclopedia)Panama Canal Zone, former territory within Panama, 553 sq mi (1,432 sq km), that was administered by the United States under a 1903 treaty (with later amendments) with Panama. The zone included the Pa...

Fortescue, Sir John

(Encyclopedia)Fortescue, Sir John fôrˈtĭskyo͞o [key], c.1394–1476, English jurist. A supporter of the Lancastrian king Henry VI, he was chief justice of the Court of King's Bench from 1442 until 1461, when He...

pyrimidine

(Encyclopedia)CE5 Pyrimidines found in deoxyribonucleic acid (DNA) pyrimidine pīrĭmˈĭdēnˌ [key], type of organic base found in certain coenzymes and in the nucleic acids of plant and animal tissue. The th...

column

(Encyclopedia)column, vertical architectural support, circular or polygonal in plan. A column is generally at least four or five times as high as its diameter or width; stubbier freestanding masses of masonry are u...

emetic

(Encyclopedia)emetic əmĕtˈĭk [key], substance that produces vomiting. Direct, or gastric, emetics, which act directly on the stomach, include syrup of ipecac, sulfate of zinc or copper, alum, ammonium carbonate...

Lindahl, Tomas

(Encyclopedia)Lindahl, Tomas, 1938–, Swedish-born British biochemist, grad. Karolinska Institute (Ph.D. 1967, M.D. 1970). Lindahl was a professor at the Univ. of Gothenburg from 1978 to 1982. In 1981 he joined th...