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color index

(Encyclopedia)color index, in astronomy, difference in an object's brightness as recorded between any two well-defined bands of the electromagnetic spectrum by using optical filters of different colors. If blue and...

chigger

(Encyclopedia)chigger, minute, six-legged, reddish larva of the harvest mite, one of various red bugs widely distributed throughout the world and common in the S United States. Attaching itself by its mouthparts to...

Dole, Elizabeth Hanford

(Encyclopedia)Dole, Elizabeth Hanford, 1936–, American public official, b. Salisbury, N.C., B.A., Duke, 1958, J.D., Harvard, 1965; wife of Bob Dole. A Republican, she held several government positions including c...

mandrill

(Encyclopedia)mandrill, large monkey, Mandrillus sphinx, of central W Africa, related to the baboons. Mandrills are found in forests, while baboons live in open country. The fur of the mandrill is mostly dark brown...

chinch bug

(Encyclopedia)chinch bug, small North American bug, Blissus leucopterus, of the seed bug family. It feeds on small grains, corn, and other grasses, sucking the plant juices and doing much damage to crops, particula...

hawthorn

(Encyclopedia)hawthorn, any species of the genus Crataegus of the family Rosaceae (rose family), shrubs and trees widely distributed in north temperate climates and especially common in E North America. They usuall...

Cultural Revolution

(Encyclopedia)Cultural Revolution, 1966–76, mass mobilization of urban Chinese youth inaugurated by Mao Zedong in an attempt to prevent the development of a bureaucratized Soviet style of Communism. Mao closed sc...

Norwich terrier

(Encyclopedia)Norwich terrier, breed of small, sturdy terrier developed in England in the second half of the 19th cent. It stands about 10 in. (25.4 cm) high at the shoulder and weighs about 11 lb (4.9 kg). The har...

ocher

(Encyclopedia)ocher ōˈkər [key], mixture of varying proportions of iron oxide and clay, used as a pigment. It occurs naturally as yellow ocher (yellow or yellow-brown in color), the iron oxide being limonite, or...

Assiniboine

(Encyclopedia)Assiniboine əsĭnˈəboin [key], river, 590 mi (950 km) long, rising in S Sask., Canada, and flowing SE into Man. then E to the Red River at Winnipeg; named for the local Native Americans, the Assini...
 

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