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Lewis, Meriwether

(Encyclopedia)Lewis, Meriwether, 1774–1809, American explorer, one of the leaders of the Lewis and Clark expedition, b. near Charlottesville, Va. He was a captain in the army and served in a number of campaigns a...

Ælfric

(Encyclopedia)Ælfric ălˈfrĭk [key], c.955–1020, English writer and Benedictine monk. He was the greatest English scholar during the revival of learning fostered by the Benedictine monasteries in the second ha...

American Medical Association

(Encyclopedia)American Medical Association (AMA), professional physicians' organization (founded 1847). Its goals are to protect the interests of American physicians, advance public health, and support the growth o...

tranquilizer

(Encyclopedia)tranquilizer, drug whose action calms the central nervous system, decreasing emotional agitation without impairing alertness. Tranquilizing drugs differ from hypnotic drugs such as barbiturates in tha...

sedative

(Encyclopedia)sedative, any of a variety of drugs that relieve anxiety. Most sedatives act as mild depressants of the nervous system, lessening general nervous activity or reducing the irritability or activity of a...

enzyme

(Encyclopedia)enzyme, biological catalyst. The term enzyme comes from zymosis, the Greek word for fermentation, a process accomplished by yeast cells and long known to the brewing industry, which occupied the atten...

Eberhart, Richard

(Encyclopedia)Eberhart, Richard ĕbˈərhärtˌ [key], 1904–2005, American poet, b. Austin, Minn., grad. Dartmouth (1926) and Cambridge (1929, 1933). He taught at various universities before becoming a professor ...

Delibes, Miguel

(Encyclopedia)Delibes, Miguel mēgĕlˈ dālēˈbās [key], 1920–2010, Spanish novelist, short-story writer, and journalist, b. Valladolid. Prolific and widely translated, he is known for his descriptions of prov...

fable

(Encyclopedia)fable, brief allegorical narrative, in verse or prose, illustrating a moral thesis or satirizing human beings. The characters of a fable are usually animals who talk and act like people while retainin...

Jarrell, Randall

(Encyclopedia)Jarrell, Randall jərĕlˈ [key], 1914–65, American poet and critic, b. Nashville, Tenn., grad. Vanderbilt Univ. (B.A., 1935; M.A., 1938). His poetry, reflecting an unusually sensitive and tragic vi...