Columbia Encyclopedia

Search results

419 results found

Alvarado, Juan Bautista

(Encyclopedia)Alvarado, Juan Bautista hwän boutēsˈtä älväräˈᵺō [key], 1809–82, governor of Alta California (1836–42), b. Monterey, Calif. Out of the chaotic times in the neglected Mexican province of...

Hessian fly

(Encyclopedia)Hessian fly, European gall gnat, Phytophaga destructor, so named because it was first observed in America shortly after the Hessian troops landed on Long Island in the American Revolution. It is one o...

gerbil

(Encyclopedia)gerbil jûrˈbĭl [key], small desert rodent found throughout the hot arid regions of Africa and Asia. Also known as sand rats, gerbils have large eyes and powerful, elongated hind limbs upon which th...

amphitheater

(Encyclopedia)amphitheater ămˈfəthēˌətər, ămˈpə– [key], open structure used for the exhibition of gladiatorial contests, struggles of wild beasts, sham sea battles, and similar spectacles. There is no G...

surrogate mother

(Encyclopedia)surrogate mother, a woman who agrees, usually by contract and for a fee, to bear a child for a couple who are childless because the wife is infertile or physically incapable of carrying a developing f...

tarweed

(Encyclopedia)tarweed, any of several related resinous herbs (chiefly species of Hemizonia and Madia) of the family Asteraceae (aster family), having strongly scented and sticky herbage. Most North American species...

Vallejo, Mariano Guadalupe

(Encyclopedia)Vallejo, Mariano Guadalupe, 1807–90, Mexican-American political and military leader, b. Monterey, Calif. He entered the Mexican military in 1824 and was appointed to the territorial legislature in 1...

Henry the Lion

(Encyclopedia)Henry the Lion, 1129–95, duke of Saxony (1142–80) and of Bavaria (1156–80); son of Henry the Proud. His father died (1139) while engaged in a war to regain his duchies, and it was not until 1142...

gun control

(Encyclopedia)gun control, government limitation of the purchase and ownership of firearms. The availability of guns is controlled by nations and localities throughout the world. In the United States the “right o...

rain

(Encyclopedia)rain, precipitation in liquid form. It consists of drops of water falling from clouds; if the drops are very small, they are collectively termed drizzle. Rain plays a key role in the hydrologic, or wa...