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Chuquet, Nicolas

(Encyclopedia)Chuquet, Nicolas nēkôläˈ shükāˈ [key], c.1450–1500, French mathematician, probably b. Paris. Little is known of Chuquet's life. At Lyons in 1484 he composed a manuscript on the science of num...

Fogazzaro, Antonio

(Encyclopedia)Fogazzaro, Antonio äntôˈnyō fōgät-tsäˈrō [key], 1842–1911, Italian novelist and poet. His first work was a verse romance, Miranda (1874). Primarily concerned with moral issues, he was parti...

New General Catalog

(Encyclopedia)New General Catalog (NGC), standard reference list of nebulae (see nebula). It is based on the General Catalog, published in 1864, which included 2,500 nebulae cataloged by William Herschel and an add...

program trading

(Encyclopedia)program trading, a form of securities trading, also known as index arbitrage. Program traders exploit the price discrepancies between indexes of stocks and futures contracts by using sophisticated com...

Gesner, Konrad von

(Encyclopedia)Gesner, Konrad von kônˈrät fən gĕsˈnər [key], 1516–65, Swiss scientist and bibliographer. Gesner was noted for his scholarship and erudition in almost every field of knowledge. He lived in Z...

Rosmini-Serbati, Antonio

(Encyclopedia)Rosmini-Serbati, Antonio äntōˈnyō rōzmēˈnē-sĕrbäˈtē [key], 1797–1855, Italian theologian. Ordained a priest in 1821, he attempted to establish a philosophical system based on Roman Catho...

Dewey, Melvil

(Encyclopedia)Dewey, Melvil, 1851–1931, American library pioneer, originator of the Dewey decimal system, b. Adams Center, N.Y., grad. Amherst (B.A., 1874; M.A., 1877). A man of originality and of enormous energy...

herbarium

(Encyclopedia)herbarium, collection of dried and mounted plant specimens used in systematic botany. To preserve their form and color, plants collected in the field are spread flat in sheets of newsprint and dried, ...

gazetteer

(Encyclopedia)gazetteer găzˌĭtērˈ [key], dictionary or encyclopedia listing alphabetically the names of places, political divisions, and physical features of the earth and giving some information about each. T...

fiber optics

(Encyclopedia)fiber optics, transmission of digitized messages or information by light pulses along hair-thin glass or plastic fibers. Each fiber is surrounded by a cladding having a high index of refractance so th...

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