Columbia Encyclopedia

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bread

(Encyclopedia)bread, food made from grains that have been ground into flour or meal, moistened and kneaded into a dough, and then baked. Many types of bread are leavened, usually with yeast, which induces fermentat...

seeing

(Encyclopedia)seeing, in astronomy, the clarity with which stars and other celestial objects can be observed. It is primarily determined by the atmosphere of the earth. The most obvious phenomenon is twinkling, whe...

sprue

(Encyclopedia)sprue, chronic disorder of the small intestine caused by impaired absorption of fat and other nutrients. Two forms of the disease exist. Tropical sprue occurs in central and northern South America, As...

Reynard the Fox

(Encyclopedia)Reynard the Fox rĕˈnərd, rāˈnärd [key], the supreme trickster and celebrated hero of the medieval beast epics, works predominantly in verse which became increasingly popular after c.1150. They a...

pronghorn

(Encyclopedia)pronghorn or prongbuck, hoofed herbivorous mammal, Antilocapra americana, of the W United States and N Mexico. Although it is often called the American, or prong-horned, antelope, the pronghorn is the...

Ai Weiwei

(Encyclopedia)Ai Weiwei īˈ wāwā [key], 1957–, Chinese artist, architect, filmmaker, and political activist. He is the son of poet Ai Ch'ing, who was internally exiled (1958–76) to work camps with his family...

grace, in Christian theology

(Encyclopedia)grace, in Christian theology, the free favor of God toward humans, which is necessary for their salvation. A distinction is made between natural grace (e.g., the gift of life) and supernatural grace, ...

witchcraft

(Encyclopedia)witchcraft, a form of sorcery, or the magical manipulation of nature for self-aggrandizement, or for the benefit or harm of a client. This manipulation often involves the use of spirit-helpers, or fam...

Cornell, Alonzo B.

(Encyclopedia)Cornell, Alonzo B. kôrnĕlˈ [key], 1832–1904, American businessman and politician, b. Ithaca, N.Y. Cornell was a director (1868–69) and vice president (1870–76) of the Western Union Telegraph ...

humor

(Encyclopedia)humor, according to ancient theory, any of four bodily fluids that determined human health and temperament. Hippocrates postulated that an imbalance among the humors (blood, phlegm, yellow bile, and b...