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Fischer-Dieskau, Dietrich

(Encyclopedia)Fischer-Dieskau, Dietrich dēˈtrĭkh fĭshˈər-dēsˈkou [key], 1925–2012, German baritone. Possessed of a sensitive voice capable of a wide variety of range and expression, Fischer-Dieskau was th...

fatty acid

(Encyclopedia)fatty acid, any of the organic carboxylic acids present in fats and oils as esters of glycerol. Molecular weights of fatty acids vary over a wide range. The carbon skeleton of any fatty acid is unbran...

Huntington's disease

(Encyclopedia)Huntington's disease, hereditary, acute disturbance of the central nervous system usually beginning in middle age and characterized by involuntary muscular movements and progressive intellectual deter...

Aniakchak National Monument and Preserve

(Encyclopedia)Aniakchak National Monument and Preserve ănēăkˈchăk [key], on the Alaska Peninsula, SW Alaska. Located in the Aleutian Range, the monument (137,176 acres/55,556 hectares) and surrounding preserve...

Grand Teton National Park

(Encyclopedia)Grand Teton National Park tētŏnˈ, tēˈtŏn [key], 309,993 acres (125,503 hectares), NW Wyo.; est. 1929. The park, which includes Jackson Lake and part of Jackson Hole, embraces the most scenic por...

Flexner, Abraham

(Encyclopedia)Flexner, Abraham, 1866–1959, American educator, b. Louisville, Ky., grad. Johns Hopkins, 1886. After 19 years as a secondary school teacher and principal, he took graduate work at Harvard and at the...

Mesabi

(Encyclopedia)Mesabi məsäbˈē [key], range of low hills, NE Minn., once famous for its extensive iron ore deposits. The ores were found in a belt c.110 mi (180 km) long and from 1 to 3 mi (1.6–4.8 km) wide bet...

Austin, Lloyd James, 3d

(Encyclopedia)Austin, Lloyd James, 3d, 1953–, U.S. army general and secretary of defense, b. Mobile, Ala., B.S West Point, 1975, M.A. Auburn Univ., 1986, M.B.A. Webster Univ., 1989. He entered the U.S. Army (1975...

Las Cruces

(Encyclopedia)Las Cruces läs kro͞oˈsĭs [key], city (1990 pop. 62,126), seat of Dona Ana co., SW N.Mex., on the Rio Grande, in a farm area irrigated by the Elephant Butte system; founded 1848, inc. 1907. It is t...

kettledrum

(Encyclopedia)kettledrum, in music, percussion instrument consisting of a hemispherical metal vessel over which a membrane is stretched, played with soft-headed wooden drumsticks. Of ancient origin, it appeared ear...