Columbia Encyclopedia

Search results

500 results found

Fichte, Johann Gottlieb

(Encyclopedia)Fichte, Johann Gottlieb yōˈhän gôtˈlēp fĭkhˈtə [key], 1762–1814, German philosopher. After studying theology at Jena and working as a tutor in Zürich and Leipzig, he became interested in K...

hyena

(Encyclopedia)hyena hī-ēˈnə [key], carnivorous, chiefly nocturnal mammal of the Old World family Hyaenidae. Although doglike in appearance, hyenas are more closely related to civets (family Viverridae) and cats...

Carver, Raymond

(Encyclopedia)Carver, Raymond, 1938–88, American short-story writer, b. Clatskanie, Oreg. He was raised in the Pacific Northwest, where he often set his sparely written tales of everyday blue-collar life. His per...

vapor pressure

(Encyclopedia)vapor pressure, pressure exerted by a vapor that is in equilibrium with its liquid. A liquid standing in a sealed beaker is actually a dynamic system: some molecules of the liquid are evaporating to f...

erythroblastosis fetalis

(Encyclopedia)erythroblastosis fetalis ərĭthˌrəblăstōˈsĭs [key], hemolytic disease of a newborn infant caused by blood group incompatibility between mother and child. Although the Rh factor is responsible f...

brownie

(Encyclopedia)brownie, in Celtic folklore, household spirit associated with farmsteads. Brownies help with chores, but, if criticized, they will make mischief, such as spoiling crops. If payment other than food is ...

diminishing returns, law of

(Encyclopedia)diminishing returns, law of, in economics, law stating that if one factor of production is increased while the others remain constant, the overall returns will relatively decrease after a certain poin...

mutation

(Encyclopedia)mutation, in biology, a sudden, random change in a gene, or unit of hereditary material, that can alter an inheritable characteristic. Most mutations are not beneficial, since any change in the delica...

Spinoza, Baruch

(Encyclopedia)Spinoza, Baruch or Benedict spinōˈzə [key], 1632–77, Dutch philosopher, b. Amsterdam. Politically, Spinoza and Hobbes again share assumptions about the social contract: Right derives from p...

ignis fatuus

(Encyclopedia)ignis fatuus ĭgˈnĭs făchˈo͞oəs [key]: see will-o'-the-wisp. ...