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lobefin

(Encyclopedia)lobefin, common name for any of a group of lunged, fleshy-finned, bony fishes, also called crossopterygians, that were dominant in the Devonian period and may have given rise to amphibians. They had h...

Olaf II

(Encyclopedia)Olaf II (Saint Olaf), c.995–1030, king of Norway (1015–28). He is also called Olaf the Stout or Olaf the Fat. He spent part of his early life in England and helped Æthelred fight the Danes. He wa...

artificial insemination

(Encyclopedia)artificial insemination, technique involving the artificial injection of sperm-containing semen from a male into a female to cause pregnancy. Artificial insemination is often used in animals to multip...

Whitney, Eli

(Encyclopedia)Whitney, Eli, 1765–1825, American inventor of the cotton gin, b. Westboro, Mass., grad. Yale, 1792. When he was staying as tutor at Mulberry Grove, the plantation of Mrs. Nathanael Greene, Whitney w...

baptism

(Encyclopedia)baptism [Gr., =dipping], in most Christian churches a sacrament. It is a rite of purification by water, a ceremony invoking the grace of God to regenerate the person, free him or her from sin, and mak...

wisent

(Encyclopedia)wisent vēˈsənt [key], name for the European bison, Bison bonasus. It is a close relative of the American bison, B. bison. Longer legged and less heavily built than its American cousin, the wisent m...

Pike, James Albert

(Encyclopedia)Pike, James Albert, 1913–69, American Episcopal bishop, b. Oklahoma City. A lawyer who had been raised as a Roman Catholic, he served (1943–45) in the U.S. navy and then studied for the Episcopal ...

Caney Fork

(Encyclopedia)Caney Fork, river, 144 mi (232 km) long, rising in central Tenn. and flowing NW to the Cumberland River. On Caney Fork, part of the Tennessee Valley Authority, are Great Falls Dam and Center Hill Dam,...

Palestinian Authority

(Encyclopedia)Palestinian Authority (PA) or Palestinian National Authority, interim self-government body responsible for areas of the West Bank and Gaza Strip under Palestinian control. The terrritory is officially...

Henry VI, king of England

(Encyclopedia)Henry VI, 1421–71, king of England (1422–61, 1470–71). Henry was a mild, honest, and pious man, a patron of literature and the arts and the founder of Eton College (1440). He was, however, u...