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Babbage, Charles

(Encyclopedia)Babbage, Charles băbˈĭj [key], 1792–1871, English mathematician and inventor. He devoted most of his life and expended much of his private fortune and a government subsidy in an attempt to perfec...

Paine, John Knowles

(Encyclopedia)Paine, John Knowles, 1839–1906, American composer, organist, and educator, b. Portland, Maine, studied in Berlin. In 1862 he began to teach music at Harvard and held (from 1875) the first chair of m...

McNary Dam

(Encyclopedia)McNary Dam, 7,265 ft (2,214 m) long and 183 ft (56 m) high, on the Columbia River between Oregon and Washington, near Umatilla, Oreg.; built 1947–56 by the U.S. Corps of Engineers. Located at the he...

Mannaeans

(Encyclopedia)Mannaeans mănēˈənz [key], ancient people of Asia Minor, occupying the region E of Assyria and SE of Urartu, in present-day NW Iran. Their kingdom, which flourished in the 9th and 8th cent. b.c., s...

Kalisch, Isidor

(Encyclopedia)Kalisch, Isidor ēzēdôrˈ kāˈlĭsh, käˈ– [key], 1816–86, Jewish rabbi and author, b. Prussia. Forced to leave Germany because of his liberal political views, he emigrated to the United State...

Kidron

(Encyclopedia)Kidron sēˈdrən [key], in the Bible, brook or field, the present-day Qidron (West Bank), E of Jerusalem between the city and the Mount of Olives. See also Jehoshaphat. ...

acre, measure of land area

(Encyclopedia)acre, measure of land area used in the English units of measurement. The acre was originally the area a yoke of oxen could plow in a day and therefore differed in size from one locality to another. It...

Tallemant des Réaux, Gédéon

(Encyclopedia)Tallemant des Réaux, Gédéon zhādāôNˈ täləmäNˈ dā rāōˈ [key], 1619–92, French writer. His one great work is a series of brief anecdotal portraits of persons prominent in the Paris of h...

whirlwind

(Encyclopedia)whirlwind, revolving mass of air resulting from local atmospheric instability, such as that caused by intense heating of the ground by the sun on a hot summer day. Examples of whirlwinds are waterspou...

The Dalles Dam

(Encyclopedia)The Dalles Dam, 260 ft (79 m) high and 8,875 ft (2,705 m) long, on the Columbia River between Oregon and Wash., NE of The Dalles, Oreg.; built 1952–57 by the U.S. Corps of Engineers. The dam, a majo...