Columbia Encyclopedia

Search results

500 results found

botfly

(Encyclopedia)botfly, common name for several families of hairy flies whose larvae live as parasites within the bodies of mammals. The horse botfly secretes an irritating substance that is used to attach its eggs t...

sorghum

(Encyclopedia)sorghum, tall, coarse annual (Sorghum bicolor) of the family Poaceae (grass family), somewhat similar in appearance to corn (but having the grain in a panicle rather than an ear) and used for much the...

perspective

(Encyclopedia)perspective, in art, any method employed to represent three-dimensional space on a flat surface or in relief sculpture. Although many periods in art showed some progressive diminution of objects seen ...

fountain

(Encyclopedia)fountain, natural or artificially conveyed flow of water. In ancient Greece columnar shrines were built over springs and dedicated to deities or nymphs. In ancient Rome fountains fed by the great aque...

Gordimer, Nadine

(Encyclopedia)Gordimer, Nadine nādēnˈ gôrˈdəmər [key], 1923–2014, South African writer, b. Springs. A member of the African National Congress, Gordimer fought apartheid in her political life and in her wri...

Transcaucasia

(Encyclopedia)Transcaucasia trănzˌkôkāˈzhə, –shə, trănsˌ– [key], transitional region between Europe and Asia, extending from the Greater Caucasus to the Turkish and Iranian borders, between the Black a...

fermentation

(Encyclopedia)fermentation, process by which the living cell is able to obtain energy through the breakdown of glucose and other simple sugar molecules without requiring oxygen. Fermentation is achieved by somewhat...

humidity

(Encyclopedia)humidity, moisture content of the atmosphere, a primary element of climate. Humidity measurements include absolute humidity, the mass of water vapor per unit volume of natural air; relative humidity (...

Indian Ocean

(Encyclopedia)Indian Ocean, third largest ocean, c.28,350,000 sq mi (73,427,000 sq km), extending from S Asia to Antarctica and from E Africa to SE Australia; it is c.4,000 mi (6,400 km) wide at the equator. It con...

Giorgione

(Encyclopedia)Giorgione jōrjôˈnā [key], c.1478–1510, Venetian painter, b. Castelfranco Veneto; fellow student of Titian under Giovanni Bellini in Venice. Giorgione was known also as Zorgo or Zorgi da Castelfr...