Columbia Encyclopedia

Search results

500 results found

De Bary, Heinrich Anton

(Encyclopedia)De Bary, Heinrich Anton hīnˈrĭkh änˈtōn də bärēˈ [key], 1831–88, German botanist. He was professor at the universities of Freiburg in Breisgau (1855–66) and Halle (1867–72) and first r...

dog racing

(Encyclopedia)dog racing, trials of speed between dogs. Now contested on oval tracks, the sport developed from the ancient practice of coursing, in which specially trained dogs chase game animals in the open field....

Drake, Joseph Rodman

(Encyclopedia)Drake, Joseph Rodman, 1795–1820, American poet and satirist, b. New York City. Under the name “The Croakers,” he and his friend Fitz-Greene Halleck wrote a series of light satirical verses for t...

Agricola, Georgius

(Encyclopedia)Agricola, Georgius gāˈôrk bouˈər [key], 1494–1555, German physician and scientist, known as the father of mineralogy. He was a pioneer in physical geology and the first to classify minerals sci...

Berni, Francesco

(Encyclopedia)Berni, Francesco fränchāsˈkō bĕrˈnē [key], 1497?–1535, Italian humorous poet, a priest. He was noted for his burlesque capitoli, light, often ribald verses in terza rima. He revised Boiardo's...

Occitan

(Encyclopedia)Occitan prôväNsälˈ [key], member of the Romance group of the Italic subfamily of the Indo-European family of languages (see Romance languages). The language label Provençal is often restricted in...

cost of living

(Encyclopedia)cost of living, amount of money needed to buy the goods and services necessary to maintain a specified standard of living. The cost of living is closely tied to rates of inflation and deflation. In es...

iridium

(Encyclopedia)iridium ĭrĭdˈēəm [key], metallic chemical element; symbol Ir; at. no. 77; at. wt. 192.217; m.p. about 2,410℃; b.p. about 4,130℃; sp. gr. 22.55 at 20℃; valence +3 or +4. Iridium is a very ha...

bonus

(Encyclopedia)bonus, extra amount in money, bonds, or goods over what is normally due. The term is applied especially to payments to employees either for production in excess of the normal (wage incentive) or as a ...

Pascal's law

(Encyclopedia)Pascal's law päskälzˈ [key] [for Blaise Pascal], states that pressure applied to a confined fluid at any point is transmitted undiminished throughout the fluid in all directions and acts upon every...