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Genoa, Conference of

(Encyclopedia)Genoa, Conference of, 1922, at Genoa, Italy. Representatives of 34 nations convened on Apr. 10 to attempt the reconstruction of European finance and commerce. It was the first conference after World W...

function

(Encyclopedia)function, in mathematics, a relation f that assigns to each member x of some set X a corresponding member y of some set Y; y is said to be a function of x, usually denoted f(x) (read “f of x ”)....

Gates of the Arctic National Park and Preserve

(Encyclopedia)Gates of the Arctic National Park and Preserve, N Alaska. Located N of the Arctic Circle, the park (7,523,898 acres/3,046,113 hectares) and adjacent preserve (948,629 acres/384,060 hectares) make up t...

astronomical coordinate systems

(Encyclopedia)astronomical coordinate systems. A coordinate system is a method of indicating positions. Each coordinate is a quantity measured from some starting point along some line or curve, called a coordinate ...

La Rochefoucauld, François, duc de

(Encyclopedia)La Rochefoucauld, François, duc de fräNswäˈ, dük də lä rôshfo͞okōˈ [key], 1613–80, French writer. As head of an ancient family (in his youth he bore the title prince de Marcillac) he oppo...

Braille

(Encyclopedia)Braille brāl [key], in astronomy, a small asteroid notable because it has the same atypical geologic composition as the larger asteroid Vesta. In 1999 the space probe Deep Space 1 passed within 16 mi...

Stefansson, Vilhjalmur

(Encyclopedia)Stefansson, Vilhjalmur vĭlˈhyoulmər stĕfˈənsən [key], 1879–1962, Arctic explorer, b. Canada, of Icelandic parents, educated at the Univ. of North Dakota, the State Univ. of Iowa, and Harvard....

Segal, Jr., George

(Encyclopedia) Segal, George, Jr., 1934-2021, American actor, b. New York City, Columbia Univ. (B.A., 1955). Raised in Great Neck, Long Island, Segal began his caree...

canon, in music

(Encyclopedia)canon, in music, a type of counterpoint employing the strictest form of imitation. All the voices of a canon have the same melody, beginning at different times. Successive entrances may be at the same...

Bain, Alexander

(Encyclopedia)Bain, Alexander, 1818–1903, Scottish philosopher and psychologist. He was educated at Marischal College, Aberdeen, where he later taught for three years. He taught one year (1845) at Anderson's Univ...