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narwhal

(Encyclopedia)narwhal närˈwəl [key], a small arctic whale, Monodon monoceros. The males of the species, and an occasional female, bear a single, tightly spiraled tusk that measures up to 9 ft (2.7 m) in length. ...

Abramoff scandal

(Encyclopedia)Abramoff scandal, in U.S. history, political corruption scandal resulting from criminal conduct on the part of lobbyist Jack Abramoff (1959–) and his associates. Abramoff was a Republican activist w...

Griffith, D. W.

(Encyclopedia)Griffith, D. W. (David Llewelyn Wark Griffith), 1875–1948, American movie director and producer, b. La Grange, Ky. Griffith was the first major American film director. He began his film career as an...

gadolinium

(Encyclopedia)gadolinium gădəlĭnˈēəm [key], metallic chemical element; symbol Gd; at. no. 64; at. wt. 157.25; m.p. 1,312℃; b.p. 3,233℃; sp. gr. 7.898 at 25℃; valence +3. Gadolinium is a malleable, ducti...

electronics

(Encyclopedia)electronics, science and technology based on and concerned with the controlled flow of electrons or other carriers of electric charge, especially in semiconductor devices. It is one of the principal b...

Dominic, Saint

(Encyclopedia)Dominic, Saint dŏmˈənĭk [key], 1170?–1221, Castilian churchman, named Domingo de Guzmán, founder of the Dominicans. He studied at Palencia and became a canon, then prior of canons, of the cathe...

Crimean-Congo hemorrhagic fever

(Encyclopedia)Crimean-Congo hemorrhagic fever, acute, sometimes fatal disease endemic in many parts of Eurasia and Africa, caused by a tick-borne virus. The virus, an RNA virus (Nairovirus) of the Bunyaviridae fami...

Baring

(Encyclopedia)Baring bârˈĭng [key], British family of bankers. Sir Francis Baring (1740–1810) founded (1763) the John and Francis Baring Company, which he renamed Baring Brothers and Company in 1806. At first ...

seasonal affective disorder

(Encyclopedia)seasonal affective disorder (SAD), recurrent fall or winter depression characterized by excessive sleeping, social withdrawal, depression, overeating, and pronounced weight gain. SAD effects an estima...

Sheridan, Richard Brinsley

(Encyclopedia)Sheridan, Richard Brinsley, 1751–1816, English dramatist and politician, b. Dublin. His father, Thomas Sheridan, was an actor and teacher of elocution and his mother, Frances Sheridan, published two...