Columbia Encyclopedia

Search results

268 results found

Nyad, Diana

(Encyclopedia)Nyad, Diana nīˈăd [key], 1949–, American distance swimmer, b. New York City as Diana Sneed, grad. Lake Forest College, 1973. She began swimming seriously as a teenager, becoming interested in dis...

Keeshond

(Encyclopedia)Keeshond kāsˈhŏnd [key] (pl. Keeshonden), breed of medium-sized nonsporting dog raised in Holland for several hundred years and introduced into England in the year 1900. It stands about 18 in. (46 ...

Velasco, José María

(Encyclopedia)Velasco, José María hōsāˈ märēˈä vāläsˈkō [key], 1840–1912, Mexican landscape painter; teacher of Diego Rivera. A gifted artisan descended from a family of shawl weavers, he entered the...

schipperke

(Encyclopedia)schipperke skĭpˈərkē [key], a breed of small nonsporting dog developed in Belgium several hundred years ago. It stands about 13 in. (33 cm) high at the shoulder and weighs from 14 to 18 lb (6.4–...

ultraviolet radiation

(Encyclopedia)ultraviolet radiation, invisible electromagnetic radiation between visible violet light and X rays; it ranges in wavelength from about 400 to 4 nanometers and in frequency from about 1015 to 1017 hert...

Kiarostami, Abbas

(Encyclopedia)Kiarostami, Abbas ăbôˈsā kēyôˈrōmămēˌ [key], 1940–2016, Iranian filmmaker. Widely acclaimed as Iran's greatest film director, he typically explores the lives of ordinary Iranians in his f...

isopleth

(Encyclopedia)isopleth īˈsəplĕthˌ [key], line drawn on a map through all points of equal value of some measurable quantity. In many meteorologic, oceanographic, or geologic studies some physical or chemical pr...

Giannini, A. P.

(Encyclopedia)Giannini, A. P. (Amadeo Peter Giannini) ämädĕˈō, jänēˈnē [key], 1870–1949, American banker and financier, b. San Jose, Calif. The son of Italian immigrants, he joined his stepfather in the ...

gasohol

(Encyclopedia)gasohol, a gasoline extender made from a mixture of gasoline (90%) and ethanol (10%; often obtained by fermenting agricultural crops or crop wastes) or gasoline (97%) and methanol, or wood alcohol (3%...

Langmuir, Irving

(Encyclopedia)Langmuir, Irving lăngˈmyo͞or [key], 1881–1957, American chemist, b. Brooklyn, N.Y. Associated (1909–50) with the research laboratory of the General Electric Company, he introduced atomic-hydrog...