Columbia Encyclopedia

Search results

500 results found

North America

(Encyclopedia)CE5 North America, third largest continent (2015 est. pop. 571,949,000), c.9,400,000 sq mi (24,346,000 sq km), the northern of the two continents of the Western Hemisphere. North America includes a...

Miocene epoch

(Encyclopedia)Miocene epoch mīˈəsēn [key], fourth epoch of the Tertiary period in the Cenozoic era of geologic time (see Geologic Timescale, tablegeologic timescale, table), lasting from around 24.6 to 5.1 mill...

Huang He

(Encyclopedia)Huang He, Hwang Ho both: hwängˈ ho͝oˈ [key], or Yellow River, great river of N China, c.3,000 mi (4,830 km) long, rising in the twin lakes Gyaring and Ngoring in the Kunlun Mts., NW Qinghai prov....

Alpheus, river, Greece

(Encyclopedia)Alpheus älfēôsˈ [key], river, c.70 mi (110 km) long, rising in the Taygetus Mts., S Greece. The longest river in the Peloponnesus, it flows northwest through gorges, past Olympia, and onto the Oly...

Alliance

(Encyclopedia)Alliance. 1 City, seat of Box Butte co., NW Nebr., in the High Plains; founded 1887 as Grand Lake, renamed and inc. 1888. Located in a farming and ranching region, it is a shipping c...

Niobrara

(Encyclopedia)Niobrara nīəbrârˈə [key], river, c.430 mi (690 km) long, rising in the High Plains, E Wyo., and flowing E across N Nebraska to the Missouri River on Nebraska's northeast border. The Mirage Flats ...

arnica

(Encyclopedia)arnica ärˈnəkə [key], any plant of the genus Arnica, yellow-flowered perennials of the family Asteraceae (aster family), native to north temperate and arctic regions. In North America, arnicas gro...

Ashokan Reservoir

(Encyclopedia)Ashokan Reservoir əshōˈkən [key], 13 sq mi (34 sq km), SE N.Y., completed 1912. It is supplied by the Esopus and Schoharie watersheds and provides part of New York City's water supply. Water is ca...

Smith, George Elwood

(Encyclopedia)Smith, George Elwood, 1930–, American physicist, b. White Plains, N.Y., Ph.D., Univ. of Chicago, 1959. Smith was a researcher at Bell Laboratories in Murray Hill, N.J., from 1959 until his retiremen...

Tochigi

(Encyclopedia)Tochigi tōˈchĭgē [key], prefecture (1990 pop. 1,935,186), central Honshu, Japan. Utsunomiya (the capital), Ashikaga, Oyama, Kanuma, and Sano are the chief cities. Its many fertile river plains yie...