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Lafayette, Marie Joseph Paul Yves Roch Gilbert du Motier, marquis de

(Encyclopedia)Lafayette, or La Fayette, Marie Joseph Paul Yves Roch Gilbert du Motier, marquis de märēˈ zhôzĕfˈ pôl ēv rôk zhēlbĕrˈ dü môtyāˈ märkēˈ də läfāĕtˈ [key], 1757–1834, French gen...

Mahfouz, Naguib

(Encyclopedia)Mahfouz, Naguib nəgēbˈ mäkhfo͞osˈ [key], 1911–2006, Egyptian novelist and short-story writer, b. Cairo. After his graduation (1934) from Cairo Univ., he worked in various government ministries...

Wilson, Edmund

(Encyclopedia)Wilson, Edmund, 1895–1972, American critic and author, b. Red Bank, N.J. grad. Princeton, 1916. He is considered one of the most important American literary and social critics of the 20th cent. From...

Superior, Lake

(Encyclopedia)Superior, Lake, largest freshwater lake in the world, 31,820 sq mi (82,414 sq km), 350 mi (563 km) long and 160 mi (257 km) at its greatest width, bordered on the W by NE Minnesota, on the N and E by ...

Butler, Nicholas Murray

(Encyclopedia)Butler, Nicholas Murray, 1862–1947, American educator, president of Columbia Univ. (1902–45), b. Elizabeth, N.J., grad. Columbia (B.A., 1882; Ph.D., 1884). Holding a Columbia fellowship, he studie...

murder

(Encyclopedia)murder, criminal homicide, usually distinguished from manslaughter by the element of malice aforethought. The most direct case of malicious intent occurs when the killer is known to have adopted the d...

cobalt, chemical element

(Encyclopedia)cobalt, metallic chemical element; symbol Co; at. no. 27; at. wt. 58.9332; m.p. 1,495℃; b.p. about 2,870℃; sp. gr. 8.9 at 20℃; valence +2 or +3. Cobalt is a silver-white, lustrous, hard, brittle...

expansion

(Encyclopedia)expansion, in physics, increase in volume resulting from an increase in temperature. Contraction is the reverse process. When heat is applied to a body, the rate of vibration and the distances between...

radiometer

(Encyclopedia)radiometer rāˌdēŏmˈətər [key], instrument for detection or measurement of electromagnetic radiation; the term is applied in particular to devices used to measure infrared radiation. One of the ...

rayon

(Encyclopedia)rayon, synthetic fibers made from cellulose or textiles woven from such fibers; more rayon is manufactured than any other synthetic fiber. The name was adopted (1924), in preference to “artificial s...