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tesla

(Encyclopedia)tesla tĕsˈlə [key], unit of magnetic flux density: see under weber. ...

Weatherford

(Encyclopedia)Weatherford, city (1990 pop. 14,804), seat of Parker co., N central Tex.; inc. 1856. It is in a fertile region that yields horticultural crops, peanuts, pecan, and peaches; cattle and horses are raise...

Derby, Thomas Stanley, 1st earl of

(Encyclopedia)Derby, Thomas Stanley, 1st earl of därˈbē [key], 1435?–1504, English nobleman. During the Wars of the Roses, Stanley was ostensibly a supporter of the Lancastrian Henry VI, but he had Yorkist sym...

shell

(Encyclopedia)shell, in zoology, hard outer covering secreted by an animal for protection. It is also called the test, crust, or carapace. The term usually refers to the calcareous shells of the many species of mol...

football

(Encyclopedia)CE5 A professional football field. College teams use a similar field except that the inbound lines are 53 ft 4 in. (16.25 m) from the sidelines. football, any of a number of games in which two opp...

Reconstruction

(Encyclopedia)Reconstruction, 1865–77, in U.S. history, the period of readjustment following the Civil War. At the end of the Civil War, the defeated South was a ruined land. The physical destruction wrought by t...

Arbuthnot, John

(Encyclopedia)Arbuthnot, John ärbŭthˈnət, ärˈbəthnŏt [key], 1667–1735, Scottish author and scientist, court physician (1705–14) to Queen Anne. He is best remembered for his five “John Bull” pamphlet...

Montagna, Bartolomeo

(Encyclopedia)Montagna, Bartolomeo bärtōlōmĕˈō mōntäˈnyä [key], c.1450–1523, Italian painter. He was the founder and most important representative of the school of Vicenza, where he settled in 1480. His...

Hess, Harry Hammond

(Encyclopedia)Hess, Harry Hammond, 1906–69, American geologist and oceanographer, b. New York City, B.S., Yale, 1931, Ph.D., Princeton, 1932. He taught at Rutgers (1932–33) and was a research associate at the G...

George, Lake

(Encyclopedia)George, Lake, glacial lake, 33 mi (53 km) long and 1 to 3 mi (1.6–5 km) wide, in the foothills of the Adirondack Mts., NE N.Y.; it drains NE via rapids and waterfalls into Lake Champlain. The lake w...