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Kumaratunga, Chandrika Bandaranaike

(Encyclopedia)Kumaratunga, Chandrika Bandaranaike chŭnˈdrēkə bändränīˈkē ko͞omärˌəto͝ongˈgə [key], 1945–, Sri Lankan politician, president of Sri Lanka (1994–2005). The daughter of two former pr...

buckminsterfullerene

(Encyclopedia)CE5 Buckminsterfullerene buckminsterfullerene bŭkˌmĭnstərfo͝olˈərēnˌ, –fo͝olˌərēnˈ [key] or buckyball, C60, hollow cage carbon molecule named for R. Buckminster Fuller because of t...

sulfide

(Encyclopedia)sulfide, chemical compound containing sulfur and one other element or sulfur and a radical. Sulfides may be salts or esters of hydrogen sulfide, H2S, or may be formed directly, e.g., by heating a meta...

Trichet, Jean-Claude

(Encyclopedia)Trichet, Jean-Claude zhäN-klōd trēˈshĕ [key], 1942–, French banker and government official, b. Lyons. During the 1970s Trichet held a number of French finance and treasury positions and in 1978...

Trojan asteroids

(Encyclopedia)Trojan asteroids, asteroids that revolve about the sun in the same orbit as a planet, occupying stable positions (known as Lagrangian points) either about 60° ahead of the planet in the orbit or abou...

Dawes Plan

(Encyclopedia)Dawes Plan, presented in 1924 by the committee headed (1923–24) by Charles G. Dawes to the Reparations Commission of the Allied nations. It was accepted the same year by Germany and the Allies. The ...

geode

(Encyclopedia)geode jēˈōd [key], hollow, globular rock nodule ranging in diameter from 1 to 12 in. (2.54–30.5 cm) or more. Most geodes are partly filled with mineral matter; they have a thin layer of chalcedon...

Thurow, Lester Carl

(Encyclopedia)Thurow, Lester Carl tho͝orˈō, thərōˈ [key], 1938–2016, American economist, b. Livingston, Mont.; B.A. Williams College, 1960; M.A. Oxford, 1962; Ph.D. Harvard, 1964. Professor of management an...

sodium carbonate

(Encyclopedia)sodium carbonate, chemical compound, Na2CO3, soluble in water and very slightly soluble in alcohol. Pure sodium carbonate is a white, odorless powder that absorbs moisture from the air, has an alkalin...

Selkirk, Thomas Douglas, 5th earl of

(Encyclopedia)Selkirk, Thomas Douglas, 5th earl of, 1771–1820, Scottish philanthropist, founder of the Red River Settlement. Emigration to America seemed to him the best solution for the poverty of his countrymen...