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pyroxene

(Encyclopedia) pyroxenepyroxenepīˈrŏksēn [key], name given to members of a group of widely distributed rock minerals called metasilicates in which magnesium, iron, and calcium, often with aluminum,…

Watts

(Encyclopedia) Watts, residential section of south central Los Angeles. Named after C. H. Watts, a Pasadena realtor, the section became part of Los Angeles in 1926. Artist Simon Rodia's celebrated…

Scholes, Myron Samuel

(Encyclopedia) Scholes, Myron Samuel, 1941–, Canadian-American economist, b. Timmins, Ont., Ph.D. Univ. of Chicago, 1969. He was a professor at the Univ. of Chicago (1968–83) and at Stanford (…

Volta

(Encyclopedia) VoltaVoltavólˈtə [key], river, c.290 mi (470 km) long, formed in central Ghana, W Africa, by the confluence of the Black Volta (or Mouhon, c.840 mi/1,350 km long) and the White Volta (…

Brewer's: Rebeccaites

(4 syl.). Certain Welsh rioters in 1843, whose object was to demolish turnpike gates. The name was taken from Rabekah, the bride of Isaac. When she left her father's house, Laban and his…

walnut

(Encyclopedia) CE5 Black walnut, Juglans nigra walnut, common name for some members of the Juglandaceae, a family of chiefly deciduous, resinous trees characterized by large and aromatic compound…

hogback

(Encyclopedia) hogback, sharp-crested ridge with steep slopes on both sides, formed by the erosion of steeply tilted rock layers. Hogbacks are commonly formed along the eroded flanks of large,…

Elion, Gertrude Belle

(Encyclopedia) Elion, Gertrude BelleElion, Gertrude Belleĕlˈēən [key], 1918–99, American pharmacologist, b. New York City, B.S. Hunter College, 1937. Unable to find research work (largely because she…

cowpea

(Encyclopedia) cowpea,&sp;black-eyed pea, or black-eyed bean, annual legume (Vigna sinensis) of the pulse family. Introduced in the early 18th cent. from the Old World to the S United States, it…

Cullen, Countee

(Encyclopedia) Cullen, CounteeCullen, Counteekounˈtēˈ [key], 1903–46, American poet, b. New York City, grad. New York Univ. 1925, M.A. Harvard, 1926. A major writer of the Harlem Renaissance—a…