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benzodiazepine

(Encyclopedia)benzodiazepine bĕnˌzōdīăzˈəpēnˌ [key], any of a class of drugs prescribed for their tranquilizing, antianxiety, sedative, and muscle-relaxing effects. Benzodiazepines are also prescribed for ...

Erskine, John, American educator, author, and musician

(Encyclopedia)Erskine, John, 1879–1951, American educator, author, and musician, b. New York City, grad. Columbia (B.A., 1900; Ph.D., 1903). He taught first at Amherst (1903–9) and then at Columbia, becoming pr...

New York, New Haven, and Hartford RR

(Encyclopedia)New York, New Haven, and Hartford RR, commonly called the New Haven RR; inc. 1872. Between 1872 and 1920, when dozens of small railroads were completed under the direction of financier John P. Morgan ...

Tennessee Valley Authority

(Encyclopedia)Tennessee Valley Authority (TVA), independent U.S. government corporate agency, created in 1933 by act of Congress; it is responsible for the integrated development of the Tennessee River basin. The h...

coeducation

(Encyclopedia)coeducation, instruction of both sexes in the same institution. The economic benefits gained from joint classes and the need to secure equality for women in industrial, professional, and political act...

Rust Belt

(Encyclopedia)Rust Belt or Rustbelt, economic region in the NE quadrant of the United States, focused on the Midwestern (see Midwest) states of Illinois, Indiana, Michigan, and Ohio, as well as Pennsylvania. The te...

Martin, Steve

(Encyclopedia)Martin, Steve, 1945–, American comedian, actor, and writer, b. Waco, Tex. An Emmy-winning television comedy writer in the late 1960s for the Smothers ...

permafrost

(Encyclopedia)permafrost, permanently frozen soil, subsoil, or other deposit, characteristic of arctic and some subarctic regions; similar conditions are also found at very high altitudes in mountain ranges. In 196...

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...

drug addiction and drug abuse

(Encyclopedia)drug addiction and drug abuse, chronic or habitual use of any chemical substance to alter states of body or mind for other than medically warranted purposes. Traditional definitions of addiction, with...