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Qantarah esh Sharqiya

(Encyclopedia)Qantarah esh Sharqiya känˈtärä ĕsh shärkēˈyä [key], town, NE Egypt, on the east bank of the Suez Canal. It is on the ancient military road between Egypt and Syria. Qantarah esh Sharqiya is th...

Zab

(Encyclopedia)Zab zäb, zăb [key], name applied to the two principal tributaries of the Tigris River. The Great Zab, 265 mi (426 km) long, rises in SE Turkey and flows generally S through Iraq to the Tigris. The L...

Salamis, island, Greece

(Encyclopedia)Salamis, island, E Greece, in the Saronic Gulf, W of Athens. It early belonged to Aegina but was later under Athenian control, except for a brief period after it was occupied (c.600 b.c.) by Megara. I...

Alcatraz

(Encyclopedia)Alcatraz ălˈkətrăzˌ [key] [Sp. Álcatraces=pelicans], rocky island in San Francisco Bay, W Calif, about one mile (1.61 km) north of San Francisco. Alcatraz was first sighted by the Spanish in 177...

fatigue, in physiology

(Encyclopedia)fatigue, in physiology, inability to perform reasonable and necessary physical or mental activity. Muscle fatigue, for example, results when the contractile properties of muscle are reduced, and conti...

Harriman, Edward Henry

(Encyclopedia)Harriman, Edward Henry, 1848–1909, American railroad executive, b. Hempstead, N.Y.; father of William Averell Harriman. He became a stockbroker in New York City and soon entered the railroad field, ...

Frick, Henry Clay

(Encyclopedia)Frick, Henry Clay, 1849–1919, American industrialist, b. Westmoreland co., Pa. He worked on his father's farm, was a store clerk, and did bookkeeping before he and several associates organized (1871...

Ghent, Treaty of

(Encyclopedia)Ghent, Treaty of, 1814, agreement ending the War of 1812 between the United States and Great Britain. It was signed at Ghent, Belgium, on Dec. 24, 1814, and ratified by the U.S. Senate in Feb., 1815. ...

fuzzy logic

(Encyclopedia)fuzzy logic, a multivalued (as opposed to binary) logic developed to deal with imprecise or vague data. Classical logic holds that everything can be expressed in binary terms: 0 or 1, black or white, ...

Khamenei, Ali

(Encyclopedia)Khamenei, Ali (Mohammad Ali Hoseyn Khamenei) mōhämädˈ älēˈ hōsānˈ khamānāēˈ [key], 1939–, Iranian religious and political leader, b. Mashhad. A Shiite Islamic cleric who was the son of...