Columbia Encyclopedia

(Encyclopedia) oasis ōāˈsĭs [key], an area within a desert where the water table reaches the surface, with enough moisture to permit the growth of vegetation. The water may come up to the surface in springs, or ...

(Encyclopedia) Agassiz, Lake ăgˈəsē [key], glacial lake of the Pleistocene epoch, c.700 mi (1,130 km) long, 250 mi (400 km) wide, formed by the melting of the continental ice sheet beginning some 14,000 years ag...

(Encyclopedia) canvas, strong, coarse cloth of cotton, flax, hemp, or other fibers, early used as sailcloth. Left in its natural color, bleached, or dyed, it has a wide variety of uses, as for game, duffel, sport, m...

(Encyclopedia) Hudson Bay, inland sea of North America, c.475,000 sq mi (1,230,000 sq km), c.850 mi (1,370 km) long and c.650 mi (1,050 km) wide, E central Canada. Hudson Bay and James Bay (its southern extension) a...

(Encyclopedia) Pleistocene epoch plīˈstəsēn [key], 6th epoch of the Cenozoic era of geologic time (see Geologic Timescale, tablegeologic timescale, table). According to a classification that considered its depos...

(Encyclopedia) Melville Bay, broad indentation of the western coast of Greenland, opening to the SW into Baffin Bay. The inland ice cap comes down to the coast, and glaciers discharge much ice into its waters. ...

(Encyclopedia) bullfighting, national sport and spectacle of Spain. Called the corrida de toros in Spanish, the bullfight takes place in a large outdoor arena known as the plaza de toros. The object is for one of th...

(Encyclopedia) kame kām [key], low, steep, rounded hill or ridge of layered sand and gravel drift, developed from glacial deposits. Kames were probably formed by streams of melting glacial ice that deposited mud an...

(Encyclopedia) Arctic Ocean, the smallest ocean, c.5,400,000 sq mi (13,986,000 sq km), located entirely within the Arctic Circle and occupying the region around the North Pole. The Arctic basin was almost wholly u...

(Encyclopedia) Hinault, Bernard bĕrnärˈ ēnōˈ [key], 1954–, French cyclist, b. Yffignac. Turning professional in 1977, he had more than 200 race victories and is best known as the third in his sport to win th...