Columbia Encyclopedia

Search results

500 results found

Stavropol Territory

(Encyclopedia)Stavropol Territory, administrative division (1995 pop. 2,650,000), 31,120 sq mi (80,601 sq km), S European Russia, in the North Caucasus, the northern foothills of the main Caucasian range, and the d...

Iran-contra affair

(Encyclopedia)Iran-contra affair, in U.S. history, secret arrangement in the 1980s to provide funds to the Nicaraguan contra rebels from profits gained by selling arms to Iran. The Iran-contra affair was the produc...

symbolic logic

(Encyclopedia)symbolic logic or mathematical logic, formalized system of deductive logic, employing abstract symbols for the various aspects of natural language. Symbolic logic draws on the concepts and techniques ...

Scandinavia

(Encyclopedia)Scandinavia skănˌdĭnāˈvēə [key], region of N Europe. It consists of the kingdoms of Sweden, Norway, and Denmark; Finland and Iceland are usually considered part of Scandinavia. Physiographicall...

Little Tennessee

(Encyclopedia)Little Tennessee, river, c.135 mi (220 km) long, rising in the Blue Ridge, NE Ga., and flowing generally NW across SW N.C. and through E Tenn. to the Tennessee River opposite Lenoir City. On the river...

Fort Chipewyan

(Encyclopedia)Fort Chipewyan chĭpəwīˈən [key], trading post, NE Alta., Canada, at the west end of Lake Athabasca. The old Fort Chipewyan, on the south shore, was built for the North West Company at the urging ...

Antoninus, Wall of

(Encyclopedia)Antoninus, Wall of, ancient Roman wall extending across N Britain from the Firth of Forth to the Firth of Clyde. It was built by the Roman governor Lollius Urbicus in the reign of Emperor Antoninus Pi...

Denton

(Encyclopedia)Denton, city (2020 pop. 139,869), seat of Denton co., N Tex.; inc. 1866. The city lies in an agricultural and industrial region, but the economy is base...

compass plant

(Encyclopedia)compass plant or rosinweed, large, coarse North American perennial herb (Silphium laciniatum) of the family Asteraceae (aster family), found chiefly in open grasslands. The deeply cut leaves tend to p...

Taconic Mountains

(Encyclopedia)Taconic Mountains təkŏnˈĭk [key], range of the Appalachian Mts., extending c.150 mi (240 km) north-south between the Green Mts. and the Hudson Valley along parts of New York's border with Vermont,...