Columbia Encyclopedia

Search results

303 results found

Foote, Horton

(Encyclopedia)Foote, Horton (Albert Horton Foote, Jr.), 1916–2009, American playwright and screenwriter, b. Wharton, Tex. He studied acting and acted in California and New York, and wrote his first one-act play i...

gametophyte

(Encyclopedia)gametophyte gəmēˈtəfītˌ [key], phase of plant life cycles in which the gametes, i.e., egg and sperm, are produced. The gametophyte is haploid, that is, each cell contains a single complete set o...

computer-aided design

(Encyclopedia)computer-aided design (CAD) or computer-aided design and drafting (CADD), form of automation that helps designers prepare drawings, specifications, parts lists, and other design-related elements using...

Rambouillet, Catherine de Vivonne, marquise de

(Encyclopedia)Rambouillet, Catherine de Vivonne, marquise de kätrēnˈ də vēvônˈ märkēzˈ də räNbo͞oyāˈ [key], 1588–1665, famous Frenchwoman, whose salon exercised a profound influence on French liter...

Psilotophyta

(Encyclopedia)Psilotophyta sīlōˌtŏfˈətə [key], division of vascular plants consisting of only two genera, Psilotum and Tmesipteris, with very few species. These plants are characterized by the lack of roots,...

nirvana

(Encyclopedia)nirvana nērväˈnə [key], in Buddhism, Jainism, and Hinduism, a state of supreme liberation and bliss, contrasted to samsara or bondage in the repeating cycle of death and rebirth. The word in Sansk...

ecology

(Encyclopedia)ecology, study of the relationships of organisms to their physical environment and to one another. The study of an individual organism or a single species is termed autecology; the study of groups of ...

Le Guin, Ursula Kroeber

(Encyclopedia)Le Guin, Ursula Kroeber krōˈbər lə gwĭnˈ [key], 1929–2018, American writer, b. Berkeley, Calif.; daughter of anthropologist Alfred Louis Kroeber. Possessing a keen eye for physical and cultura...

Armstrong, Lance

(Encyclopedia)Armstrong, Lance, 1971–, American cyclist, b. Dallas, Tex. He won (1991) the U.S. amateur cycling championship, turned professional (1992), and by the mid-1990s had won the Tour DuPont twice and was...

Lucas, George W., Jr.

(Encyclopedia)Lucas, George W., Jr., 1944–, American film director, producer, and writer, b. Modesto, Calif. Although Lucas's first film, THX-1138 (1970), was not successful, his next two, American Graffiti (1973...