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pitchblende

(Encyclopedia)pitchblende pĭchˈblĕndˌ [key], dark, lustrous, heavy mineral, a source of radium and uranium. Largely natural uranium oxides, triuranium octaoxide (U3O8) and uranium dioxide (UO2), it usually cont...

Reno, Janet

(Encyclopedia)Reno, Janet rēˈnō [key], 1938–2016, U.S. attorney general (1993–2001), b. Miami, Fla.; grad. Harvard Law School (1963). As assistant state's attorney (1973–76) and state's attorney (1976–93...

nursery school

(Encyclopedia)nursery school, educational institution for children from two to four years of age. It is distinguishable from a day nursery in that it serves children of both working and nonworking parents, rarely r...

Casamance

(Encyclopedia)Casamance kăzˈəmäns [key], river, c.200 mi (320 km) long, W Africa. It rises in S Senegal and flows westward, emptying in the Atlantic Ocean. The virtually unnavigable river lies in a region of lu...

Castile–La Mancha

(Encyclopedia)Castile–La Mancha kăstēlˈ–lä mänˈchə [key], autonomous community, 30,680 s...

Webb Space Telescope

(Encyclopedia)Webb Space Telescope or James Webb Space Telescope (JWST), is an infrared space telescope, the largest in space at its launc...

alcohol

(Encyclopedia)CE5 Alcohols alcohol, any of a class of organic compounds with the general formula R–OH, where R represents an alkyl group made up of carbon and hydrogen in various proportions and –OH represe...

Lea, Henry Charles

(Encyclopedia)Lea, Henry Charles lē [key], 1825–1909, U.S. historian, b. Philadelphia. He was associated with the family publishing business for many years, but his real interest was in historical work. Working ...

Morse, Wayne Lyman

(Encyclopedia)Morse, Wayne Lyman, 1900–1974, U.S. Senator (1945–69), b. Madison, Wis. He was a professor of law and later dean at the Univ. of Oregon law school (1931–44) and gained a nationwide reputation as...

Hindi

(Encyclopedia)Hindi hĭnˈdē [key], language belonging to the Indic group of the Indo-Iranian subfamily of the Indo-European family of languages. The official language of India, Hindi is the written or literary va...