Columbia Encyclopedia

Search results

500 results found

Salton Sea

(Encyclopedia)Salton Sea sôlˈtən [key], saline lake, 370 sq mi (958 sq km), northern part of the Imperial Valley, SE Calif.; 232 ft (71 m) below sea level. The area was anciently the northern part of the Gulf of...

septic tank

(Encyclopedia)septic tank, underground sedimentation tank in which sewage is retained for a short period while it is decomposed and purified by bacterial action. The organic matter in the sewage settles to the bott...

Shining Path

(Encyclopedia)Shining Path, Span. Sendero Luminoso, Peruvian Communist guerrilla force, officially the Communist party of Peru. Founded in 1970 by Abimael Guzmán...

Mary I, 1516–58, queen of England

(Encyclopedia)Mary I (Mary Tudor), 1516–58, queen of England (1553–58), daughter of Henry VIII and Katharine of Aragón. During the spread of Protestantism in the reign of her half-brother, Edward VI, Mary w...

Charles IV, Holy Roman emperor

(Encyclopedia)Charles IV, 1316–78, Holy Roman emperor (1355–78), German king (1347–78), and king of Bohemia (1346–78). The son of John of Luxemburg, Charles was educated at the French court and fought the E...

roof

(Encyclopedia)roof, overhead covering of a building with its framework support. Various methods of construction, such as are suited to different climates, have diversified exterior and interior architectural effect...

De Maria, Walter Joseph

(Encyclopedia)De Maria, Walter Joseph, 1935–2013, American sculptor, b. Albany, Calif. From the late 1950s into the 60s De Maria partcipated in “Happenings,” created Dada-influenced minimalist sculptures, and...

Doowop Music

(Encyclopedia) Doowop (also spelled doo-wop or doo wop) music, American popular vocal music style, c. late 1940s-early 1960s. Doowop is a form of vocal harmony mu...

Chavín de Huántar

(Encyclopedia)Chavín de Huántar chävēnˈ dā wänˈtär [key], archaeological site in the northeastern highlands of Peru, near the headwaters of the Marañon River. It flourished between c.900 b.c. and 200 b.c....

environmental impact statement

(Encyclopedia)environmental impact statement, analysis of the impact that a proposed development, usually industrial, will have on the natural and social environment. It includes assessment of long- and short-term ...