Columbia Encyclopedia

Search results

500 results found

differential geometry

(Encyclopedia)differential geometry, branch of geometry in which the concepts of the calculus are applied to curves, surfaces, and other geometric entities. The approach in classical differential geometry involves ...

Murrumbidgee

(Encyclopedia)Murrumbidgee mərəmbĭjˈē [key], river, c.1,050 mi (1,690 km) long, rising in the Australian Alps, SE New South Wales, Australia, and flowing generally W to the Murray River on the Victoria border....

Manzhouli

(Encyclopedia)Manzhouli or Manchouli both: mänˈjōˈlēˈ [key], city (1994 est. pop. 129,100), NE Inner Mongolian Autonomous Region, China, on the Russian border. Heavy industry is the most important economic ac...

Konaré, Alpha Oumar

(Encyclopedia)Konaré, Alpha Oumar, 1946–, Malian politcal leader. He served as Mali's youth, sports, and culture minister (1978–80); was a professor of history and archaeology; founded and edited a cultural re...

Mayagüez

(Encyclopedia)Mayagüez mīägwāsˈ, mīäwāsˈ [key], city (1990 pop. 100,371), W Puerto Rico, on Mona Passage. It is a port of entry as well as a shipping and manufacturing center in an area where sugarcane, co...

Sandy Hook

(Encyclopedia)Sandy Hook, low, sandy peninsula, NE N.J., projecting 5 mi (8 km) N toward New York and separating Sandy Hook Bay from the Atlantic Ocean. At the northern end is a Coast Guard station and the former F...

Rock Springs

(Encyclopedia)Rock Springs, city (1990 pop. 19,050), alt. c.6,270 ft (1,910 m), Sweetwater co., SW Wyo., on Bitter Creek; inc. 1888. It is a cattle and sheep shipping point and the center of large natural trona min...

Secaucus

(Encyclopedia)Secaucus sēkôˈkəs [key], town (1990 pop. 14,061), Hudson co., NE N.J., on the Hackensack River, adjoining Jersey City; inc. 1917. It is a distribution and factory-outlet center and an area of indu...

Cooney, Joan Ganz

(Encyclopedia)Cooney, Joan Ganz, 1929–, American television producer, b. Phoenix, Ariz. After graduating (1951) from the Univ. of Arizona, Cooney worked as a newspaper reporter and television publicist for ten ye...

Pompano Beach

(Encyclopedia)Pompano Beach pŏmˈpənō [key], city (1990 pop. 72,411), Broward co., SE Fla., on the Atlantic coast and the Intracoastal Waterway; inc. 1908. It is a resort city with ocean beaches, excellent fishi...