Columbia Encyclopedia

Search results

428 results found

sculpin

(Encyclopedia)sculpin, common name for a member of the superfamily Cottoidea, bizarre fishes with large, spiny or armored heads and short, tapering bodies, found in both marine and freshwater habitats. The sculpins...

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...

rhododendron

(Encyclopedia)rhododendron rōˌdədĕnˈdrən [key] [Gr.,=rose tree], any plant of the genus Rhododendron, shrubs of the family Ericaceae (heath family) found chiefly in mountainous areas of the arctic and north t...

exploration

(Encyclopedia)exploration, travel to a part of the earth that is relatively unknown to the traveler's culture, historically often motivated by a desire for colonization, conquest, or trade. See also space explorati...

growing season

(Encyclopedia)growing season, period during which plant growth takes place. In temperate climates the growing season is limited by seasonal changes in temperature and is defined as the period between the last killi...

Ob

(Encyclopedia)Ob ôp [key], river, c.2,300 mi (3,700 km) long, W Siberian Russia. With the Irtysh River, its chief tributary, it is c.3,460 mi (5,600 km) long and is the world's fourth longest river. Formed by the ...

Bennett, James Gordon

(Encyclopedia)Bennett, James Gordon, 1841–1918, American newspaper proprietor, b. New York City; son of James Gordon Bennett. Educated mostly in France, he took over (1867) from his father the management of the N...

Cyclades

(Encyclopedia)Cyclades sīˈklədēz [key], Gr. Kikládhes [Gr.,=circular], island group, c.1,000 sq mi (2,...

Aegean Sea

(Encyclopedia)Aegean Sea, Gr. Aigaion Pelagos, Turkish Ege Denizi, arm of the Mediterranean Sea, c.400 mi (640 km) long and 200 mi (320 km) wide, off SE Europe between Greece and Turkey; Crete and Rhodes mark its s...

Caroline Islands

(Encyclopedia)Caroline Islands, archipelago, c.830 sq mi (2,150 sq km), W Pacific, just north of the equator. The largest islands are Palau (Belau), Yap, Chuuk (Truk), Pohnpei (Ponape), and Kosrae. The islands are ...