Columbia Encyclopedia

(Encyclopedia) pronghorn or prongbuck, hoofed herbivorous mammal, Antilocapra americana, of the W United States and N Mexico. Although it is often called the American, or prong-horned, antelope, the pronghorn is the...

(Encyclopedia) Tierra del Fuego tyĕˈrä dĕl fwāˈgō [key], [Span.,=land of fire], archipelago, 28,476 sq mi (73,753 sq km), off S South America, separated from the mainland by the Strait of Magellan. It consist...

(Encyclopedia) tundra tŭnˈdrə [key], treeless plains of N North America and N Eurasia, lying principally along the Arctic Circle, on the coasts and islands of the Arctic Ocean, and to the north of the coniferous ...

(Encyclopedia) Banat bäˈnät [key], region extending across W Romania, NE Serbia, and S Hungary. The term banat originally referred to any of several frontier provinces of Hungary and Croatia that were ruled by ba...

(Encyclopedia) Enceladus ĕnsĕlˈədəs [key], in astronomy, one of the named moons, or natural satellites, of Saturn. Also known as Saturn II (or S2), Enceladus is 310 mi (500 km) in diameter, orbits Saturn at a m...

(Encyclopedia) anaplasmosis ănˌəplăzmōˈsĭs [key], infectious blood disease in cattle, sheep, and goats, caused by a rickettsia of the genus Anaplasma. The organism parasitizes red blood cells, causing their d...

(Encyclopedia) Guanajuato gwänähwäˈtō [key], state, 11,805 sq mi (30,575 sq km), W central Mexico, on the ...

(Encyclopedia) Vérendrye, Pierre Gaultier de Varennes, sieur de la pyĕr gōtyāˈ də värĕnˈ syör də lä vāräNdrēˈ [key], 1685–1749, explorer in W Canada and the United States, b. Trois Rivières (Three...

(Encyclopedia) Americas, antiquity and prehistory of the, study of the origins of the aboriginal peoples of the Americas. Archaeologists believe humans had entered and occupied much of the Americas by the end of the...

(Encyclopedia) continent, largest unit of landmasses on the earth. The continents include Eurasia (conventionally regarded as two continents, Europe and Asia), Africa, North America, South America, Australia, and An...