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Canadian Shield

(Encyclopedia)Canadian Shield or Laurentian Plateau lôrĕnˈchən [key], U-shaped region of ancient rock, the nucleus of North America, stretching N from the Great Lakes to the Arctic Ocean. Covering more than hal...

antibody

(Encyclopedia)antibody, protein produced by the immune system (see immunity) in response to the presence in the body of antigens: foreign proteins or polysaccharides such as bacteria, bacterial toxins, viruses, or ...

cone, in botany

(Encyclopedia)cone or strobilus strŏbˈələs [key], in botany, reproductive organ of the gymnosperms (the conifers, cycads, and ginkgoes). Like the flower in the angiosperms (flowering plants), the cone is actual...

finance

(Encyclopedia)finance, theory and practice of conducting large public and private dealings in money. Important institutions of private finance include those that deal with insurance, banking, stocks (see stock), bo...

Smith, Kiki

(Encyclopedia)Smith, Kiki, 1954–, American sculptor and printmaker, b. Nuremberg, Germany. The daughter of sculptor Tony Smith, she grew up in New Jersey and settled in New York City in 1976. Prolific and essenti...

Rotifera

(Encyclopedia)Rotifera, phylum of predominantly free-living, microscopic, aquatic or semiterrestrial pseudocoelomates. Each rotifer has a head bearing a crown of cilia, the corona, at the anterior end; most rotifer...

Vishnu

(Encyclopedia)Vishnu vĭshˈno͞o [key], one of the greatest gods of Hinduism, also called Narayana. First mentioned in the Veda as a minor deity, his theistic cults, known as Vaishnavism, or Vishnuism, grew steadi...

Drake, Sir Francis

(Encyclopedia)Drake, Sir Francis, 1540?–1596, English navigator and admiral, first Englishman to circumnavigate the world (1577–80). In 1585, Drake commanded a fleet that sacked Vigo in Spain and burned São ...

flag, symbolic cloth

(Encyclopedia)flag, piece of cloth, usually bunting or similar light material, plain, colored, or bearing a device, varying in size and shape, but often oblong or square, used as an ensign, standard, or signal or f...

Kashi

(Encyclopedia)Kashi käshˈgär [key], city (1994 est. pop. 190,500), SW Xinjiang Uygur Autonomous Region, China, on the Kaxgar (Kashgar) River (a tributary of the Tarim). It is the hub of an important commercial d...