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toxoplasmosis

(Encyclopedia)toxoplasmosis, infection caused by Toxoplasma gondii, a single-celled parasitic microorganism that can infect most warm-blooded animals but reproduces only in animals of the cat family, who shed the p...

Thomson, Sir Joseph John

(Encyclopedia)Thomson, Sir Joseph John, 1856–1940, English physicist. From 1884 to 1919 he was Cavendish professor of experimental physics at Cambridge. J. J. Thomson was one of the founders of modern physics. Wi...

blazonry

(Encyclopedia)blazonry blāˈzənrē [key], science of describing or depicting armorial bearings. The introduction, since the Middle Ages, of artificial rules and fanciful medieval terms has complicated the science...

Beyoncé

(Encyclopedia)Beyoncé, 1981- , American popular singer, songwriter, and actress, b. Beyoncé Giselle Knowles, Houston, Tx. Beyoncé first gained fame as the lead si...

Samak Sundaravej

(Encyclopedia)Samak Sundaravej säˈmäk so͞ontärəwāˈ [key], 1935–2009, Thai political leader, prime minister of Thailand (2008), b. Bangkok. He earned a law degree from Thammasat Univ., Bangkok, then worked...

Royal Danish Ballet

(Encyclopedia)Royal Danish Ballet, one of the oldest major ballet companies, established at the opening of Denmark's Royal Theater in Copenhagen in 1748. Its ballet school, which trains the group's dancers, has als...

Baltic languages

(Encyclopedia)Baltic languages, a subfamily of the Indo-European family of languages. The Indo-European subfamily to which the Baltic languages appear to be closest is the Slavic. Because of this, some linguists re...

Robbins, Jerome

(Encyclopedia)Robbins, Jerome, 1918–98, American choreographer and dancer, b. New York City as Jerome Wilson Rabinowitz. Robbins began his career dancing in musicals (1937). In 1940 he joined the Ballet Theatre a...

jewelry

(Encyclopedia)jewelry, personal adornments worn for ornament or utility, to show rank or wealth, or to follow superstitious custom or fashion. The most universal forms of jewelry are the necklace, bracelet, ring, p...

formula, in chemistry

(Encyclopedia)formula, in chemistry, an expression showing the chemical composition of a compound. Formulas of compounds are used in writing the equations (see chemical equations) that represent chemical reactions....