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bowerbird

(Encyclopedia)bowerbird, common name for any of several species of birds of the family Ptilonorhynchidae, native to Australia and New Guinea, which build, for courtship display, a bower of sticks or grasses. Usuall...

terbium

(Encyclopedia)terbium tûrˈbēəm [key] [from Ytterby, a village in Sweden], metallic chemical element; symbol Tb; at. no. 65; at. wt. 158.92535; m.p. 1,356℃; b.p. 3,123℃; sp. gr. about 8.25; valence +3 or +4....

cerebellum

(Encyclopedia)cerebellum sĕrˌəbĕlˈəm [key], portion of the brain that coordinates movements of voluntary (skeletal) muscles. It contains about half of the brain's neurons, but these particular nerve cells are...

wig

(Encyclopedia)wig, arrangement of artificial or human hair worn to conceal baldness, as a disguise, or as part of a costume, either theatrical, ceremonial, or fashionable. In ancient Egypt the wig was worn to prote...

mica

(Encyclopedia)mica mīˈkə [key], general term for a large group of minerals, hydrous silicates of aluminum and potassium, often containing magnesium, ferrous iron, ferric iron, sodium, and lithium and more rarely...

Martí, José

(Encyclopedia)Martí, José hōsāˈ märtēˈ [key], 1853–95, Cuban essayist, poet, and patriot, leader of the Cuban struggle for independence. One of the greatest prose writers of Spanish America, he is noted f...

Hampton, Wade, Confederate general

(Encyclopedia)Hampton, Wade, 1818–1902, Confederate general in the American Civil War, b. Charleston, S.C.; grandson of Wade Hampton (c.1752–1835). Hampton, a wealthy planter, served (1852–61) in the South Ca...

grouse

(Encyclopedia)grouse, common name for a game bird of the colder parts of the Northern Hemisphere. There are about 18 species. Grouse are henlike terrestrial birds, protectively plumaged in shades of red, brown, and...

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, ...

ibex

(Encyclopedia)ibex īˈbĕks [key], wild goat, genus Capra, found in rugged country on mountain ranges from central Asia to the Himalayas, S Europe, and NE Africa. Ibexes are surefooted and agile; they usually trav...