Columbia Encyclopedia

Search results

500 results found

erosion

(Encyclopedia)erosion ĭrōˈzhən [key], general term for the processes by which the surface of the earth is constantly being worn away. The principal agents are gravity, running water, near-shore waves, ice (most...

Long Island, island, United States

(Encyclopedia)Long Island (1990 pop. 6,861,454), 1,723 sq mi (4,463 sq km), 118 mi (190 km) long, and from 12 to 20 mi (19–32 km) wide, SE N.Y.; fourth largest island of the United States and the largest outside ...

horseshoe pitching

(Encyclopedia)horseshoe pitching, game played by two or more persons using horseshoes, the object being to throw the shoes so as to encircle a vertical iron peg that is 14 in. (35.6 cm) high. Regulation courts are ...

Hamm, Mia

(Encyclopedia)Hamm, Mia mēˈə [key] (Mariel Margaret Hamm), 1972–, U.S. soccer player, b. Selma, Ala. The best all-around women's soccer player of her generation, she was perhaps most responsible for making wom...

Charest, Jean

(Encyclopedia)Charest, Jean zhäN shäˈrĕ [key], 1958–, Canadian politician. A lawyer and member of the Progressive Conservative party, he was a member of parliament from Quebec from 1984. From 1986 to 1993 Cha...

Neer, Aert van der

(Encyclopedia)Neer, Aert van der ärt vän dĕr nār [key], c.1603–77, Dutch landscape painter. Working mostly in Amsterdam, he excelled in painting unusual light effects, such as moonlight, sunsets, conflagratio...

sublimation, in chemistry

(Encyclopedia)sublimation sŭblĭmāˈshən [key], change of a solid substance directly to a vapor without first passing through the liquid state. The term is also used to describe the reverse process of the gas ch...

boulder, in geology

(Encyclopedia)boulder, large rock fragment formed by detachment from its parent consolidated rock by weathering and erosion. In engineering and geology, especially in the United States, the term is applied to loose...

Foxe Basin

(Encyclopedia)Foxe Basin, a widening of the waterway between Baffin Island and the Melville Peninsula, c.340 mi (550 km) long and c.225 mi (360 km) wide, Nunavut Territory, Canada. The basin is shallow and is ice-c...

Isfjorden

(Encyclopedia)Isfjorden ēsˌfyôrˈdən [key] [Ice Fjord], inlet of the Greenland Sea and largest fjord of Spitsbergen island, Svalbard, Norway, 65 mi (105 km) long and from 8 to 20 mi (12.8–32 km) wide. It rece...