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selenium

(Encyclopedia)selenium səlēˈnēəm [key], nonmetallic chemical element; symbol Se; at. no. 34; at. wt. 78.96; m.p. 217℃; b.p. about 685℃; sp. gr. 4.81 at 20℃; valence −2, +4, or +6. Selenium is directly ...

rhea, in zoology

(Encyclopedia)rhea rēˈə [key], common name for a South American bird of the family Rheidae, which is related to the ostrich. Weighing from 44 to 55 lb (20–25 kg) and standing up to 60 in. (152 cm) tall, the rh...

Confederacy

(Encyclopedia)Confederacy, name commonly given to the Confederate States of America (1861–65), the government established by the Southern states of the United States after their secession from the Union. (For the...

Douglas, Sir James de, lord of Douglas

(Encyclopedia)Douglas, Sir James de, lord of Douglas, 1286?–1330, Scottish nobleman, called the Black Douglas and Douglas the Good; eldest son of William de Douglas, lord of Douglas. In the war of independence ag...

Crawford, Joan

(Encyclopedia)Crawford, Joan, 1908–77, American movie star, b. San Antonio, Tex., as Lucille Le Sueur. After working as a Broadway chorus dancer, Crawford began making films in 1926, eventually moving from musica...

Mallory, Stephen Russell

(Encyclopedia)Mallory, Stephen Russell, c.1813–73, U.S. Senator, secretary of the navy in the Confederacy, b. Trinidad, West Indies. He was raised in Key West, Fla., where he practiced law and was a customs offic...

MacDiarmid, Hugh

(Encyclopedia)MacDiarmid, Hugh məkdûrˈmĭd, –mĭt [key], pseud. of Christopher Murray Grieve, 1892–1978, Scottish poet and critic, b. Langholm, Dumfrieshire. Passionately devoted to Communism and to Scottish...

Mason, James Murray

(Encyclopedia)Mason, James Murray, 1798–1871, U.S. Senator and Confederate diplomat, b. Georgetown, D.C.; grandson of George Mason. He began to practice law in Winchester, Va., in 1820. Mason served in the Virgin...

Paston Letters

(Encyclopedia)Paston Letters, collection of personal and business correspondence, mostly among members of the Paston family of Norfolk, England. The letters cover the years from 1422 to 1529, together with deeds an...

Tu Fu

(Encyclopedia)Tu Fu do͞o fo͞o [key], 712–70, Chinese poet. In Pinyin, his name is romanized as Du Fu. Tu Fu is often considered the greatest of Chinese poets. He did not pass the imperial civil service examinat...