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Sankara, Thomas Isidore Noël

(Encyclopedia)Sankara, Thomas 1948–87, president (1983–87) of Burkina Faso. Thomas Sankara, sometimes referred to as the African Che Guevara, was an activist, mil...

Berners, John Bourchier, 2d Baron

(Encyclopedia)Berners, John Bourchier, 2d Baron bouˈchər, bûrˈnərz [key], 1467–1533, English diplomat and man of letters. A member of Parliament from 1495 to 1529, he later became chancellor of the exchequer...

Rosso di San Secondo, Piermaria

(Encyclopedia)Rosso di San Secondo, Piermaria pyĕrˌmärēˈä rôsˈsō dē sän sēkônˈdō [key], 1887–1956, Italian writer, b. Sicily. His sophisticated plays include Marionette, che passione! (1918) and La...

Lee, Tsung-Dao

(Encyclopedia)Lee, Tsung-Dao dzo͝ongˈ-douˈ lēˈ [key], 1926–, American physicist, b. China, Ph.D. Univ. of Chicago, 1950. He was a member (1951–53) of the Institute for Advanced Study, Princeton; and profes...

peroxide

(Encyclopedia)peroxide pərŏkˈsīd [key], chemical compound containing two oxygen atoms, each of which is bonded to the other and to a radical or some element other than oxygen; e.g., in hydrogen peroxide, H2O2, ...

cellulose

(Encyclopedia)cellulose, chief constituent of the cell walls of plants. Chemically, it is a carbohydrate that is a high molecular weight polysaccharide. Raw cotton is composed of 91% pure cellulose; other important...

guerrilla warfare

(Encyclopedia)guerrilla warfare gərĭlˈə [key] [Span.,=little war], fighting by groups of irregular troops (guerrillas) within areas occupied by the enemy. When guerrillas obey the laws of conventional warfare t...

Wu, Chien-Shiung

(Encyclopedia)Wu, Chien-Shiung chyĕnˈ-shyo͝ongˈ wo͞o [key], 1912–97, Chinese-American physicist. She emigrated to the United States from China in 1936 and received a Ph.D. from the Univ. of California, Berke...

organic chemistry

(Encyclopedia)organic chemistry, branch of chemistry dealing with the compounds of carbon. While it is only the fourteenth most common element on earth, carbon forms by far the greatest number of different compound...

Uigurs

(Encyclopedia)Uigurs, Uighurs, or Uygurs all: wēˈgo͝orz [key], Turkic-speaking people of Asia who live mainly in W China. They were the Yue-che of ancient Chinese records and first rose to prominence in the 7th...

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