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herring

(Encyclopedia)herring, common name for members of the large, widely distributed family Clupeidae, comprising many species of marine and freshwater food fishes, including the sardine (Sardinia), the menhaden (Brevoo...

dentistry

(Encyclopedia)dentistry, treatment and care of the teeth and associated oral structures. Dentistry is mainly concerned with tooth decay, disease of the supporting structures, such as the gums, and faulty positionin...

Drake, Sir Francis

(Encyclopedia)Drake, Sir Francis, 1540?–1596, English navigator and admiral, first Englishman to circumnavigate the world (1577–80). In 1585, Drake commanded a fleet that sacked Vigo in Spain and burned São ...

clam

(Encyclopedia)clam, common name for certain bivalve mollusks, especially for marine species that live buried in mud or sand and have valves (the two pieces of the shell) of equal size. The oval valves, which cover ...

South, the

(Encyclopedia)South, the, region of the United States embracing the southeastern and south-central parts of the country. Traditionally, all states S of the Mason-Dixon Line and the Ohio River (except West Virginia)...

leprosy

(Encyclopedia)leprosy or Hansen's disease hănˈsənz [key], chronic, mildly infectious malady capable of producing, when untreated, various deformities and disfigurements. It is caused by the rod-shaped bacterium ...

Goya y Lucientes, Francisco José de

(Encyclopedia)Goya y Lucientes, Francisco José de fränthēsˈkō hōsāˈ ᵺā gōˈyä ē lo͞othēānˈtās [key], 1746–1828, Spanish painter and graphic artist. Goya is generally conceded to be the greatest...

Seward, William Henry

(Encyclopedia)Seward, William Henry, 1801–72, American statesman, b. Florida, Orange co., N.Y. In 1861, Seward became Secretary of State under Abraham Lincoln, and many expected him to be the real power in th...

Tyler, John

(Encyclopedia)Tyler, John, 1790–1862, 10th President of the United States, b. Charles City co., Va. Tyler, nominated by a small Democratic faction, had withdrawn from the 1844 election. In Feb., 1861, he pres...

phosphorus

(Encyclopedia)phosphorus fŏsˈfərəs [key] [Gr.,=light-bearing], nonmetallic chemical element; symbol P; at. no. 15; at. wt. 30.97376; m.p. 44.1℃; b.p. about 280℃; sp. gr. 1.82 at 20℃; valence −3, +3, or ...