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gaucho

(Encyclopedia)gaucho gouˈchō [key], cowboy of the Argentine and Uruguayan pampas (grasslands). The typical gaucho, a familiar figure in the 18th and 19th cent., was a daring, skillful horseman and plainsman. As f...

birdsong

(Encyclopedia)birdsong. Song, call notes, and certain mechanical sounds constitute the language of birds. Song is produced in the syrinx, whose firm walls are derived from the rings of the trachea, and is modified ...

Gregg, William

(Encyclopedia)Gregg, William, 1800–1867, American industrialist, known as the “father of Southern cotton manufacture,” b. Monongalia co., Va. (now W.Va.). He devoted his life to building up Southern industry....

Kiir Mayardit, Salva

(Encyclopedia)Kiir Mayardit, Salva, 1951–, South Sudanese political and military leader. A member of the Dinka ethnic group and a Christian, in the 1960s he joined the southern Sudanese rebellion, becoming a memb...

Alliance

(Encyclopedia)Alliance. 1 City, seat of Box Butte co., NW Nebr., in the High Plains; founded 1887 as Grand Lake, renamed and inc. 1888. Located in a farming and ranching region, it is a shipping c...

Hevelius, Johannes

(Encyclopedia)Hevelius, Johannes yōhänˈəs hāvāˈlēo͝os [key], 1611–87, Polish astronomer, b. Danzig. From a finely equipped observatory in his house at Danzig, assisted by his wife Elizabeth, he made valu...

Quetelet, Adolphe

(Encyclopedia)Quetelet, Adolphe ädôlfˈ kĕtəlāˈ [key], 1796–1874, Belgian statistician and astronomer. He was the first director (1828) of the Royal Observatory at Brussels. As supervisor of statistics for ...

ephemeris

(Encyclopedia)ephemeris ĭfĕmˈərĭs [key] (pl., ephemerides), table listing the position of one or more celestial bodies for each day of the year. The French publication Connaissance de Temps is the oldest of th...

sundial

(Encyclopedia)sundial, instrument that indicates the time of day by the shadow, cast on a surface marked to show hours or fractions of hours, of an object on which the sun's rays fall. Although any object whose sha...

universal time

(Encyclopedia)universal time (UT), the international time standard common to every place in the world, it nominally reflects the mean solar time along the earth's prime meridian (renumbered to equate to civil time)...