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moment

(Encyclopedia)moment, in physics and engineering, term designating the product of a quantity and a distance (or some power of the distance) to some point associated with that quantity. The most theoretically useful...

McCullers, Carson

(Encyclopedia)McCullers, Carson, 1917–67, American novelist, b. Columbus, Ga. as Lula Carson Smith, studied at Columbia. The central theme of her novels is the spiritual isolation that underlies the human conditi...

Ashley, Merrill

(Encyclopedia)Ashley, Merrill, 1950–, American ballerina, b. St. Paul, Minn. as Linda Michelle Merrill. She studied (1964–67) at the School of American Ballet, joining the parent New York City Ballet (NYCB) in ...

Arras

(Encyclopedia)Arras äräsˈ [key], city, capital of Pas-de-Calais dept., and historic capital of Artois, N France, on the canalized Scarpe River. It is a communications, farm, and indu...

Karman, Tawakul

(Encyclopedia)Karman, Tawakul täwäko͞olˈ kärmänˈ [key], 1979–, Yemeni journalist and human-rights activist. An outspoken journalist, she encountered repeated government opposition and was a cofounder (2005...

Brownian movement

(Encyclopedia)Brownian movement or motion, zigzag, irregular motion exhibited by minute particles of matter when suspended in a fluid. The effect has been observed in all types of colloidal suspensions (see colloid...

transept

(Encyclopedia)transept trănˈsĕptˌ [key], term applied to the transverse portion of a building cutting its main axis at right angles or to each arm of such a portion. Transepts are found chiefly in churches, whe...

Shubert Brothers

(Encyclopedia)Shubert Brothers sho͞oˈbərt [key], theatrical managers and producers. The brothers were Lee (1871–1953), Sam S. (1878–1905), and Jacob J. (1880–1963). Originally from Syracuse, N.Y., they beg...

air mass

(Encyclopedia)air mass, large body of air within the earth's atmosphere in which temperature and humidity, although varying at different heights, remain similar throughout the body at any one height. Air masses for...

Salzburg

(Encyclopedia)Salzburg zältsˈbo͝ork [key], province (1991 pop. 482,365), c.2,760 sq mi (7,150 sq km), W central Austria, bordering Germany in the north and northwest. It is a predominately mountainous region, wi...