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Io, in astronomy

(Encyclopedia)Io īˈō [key], in astronomy, one of the 39 known moons, or natural satellites, of Jupiter. Io is subject to Jupiter's enormous tidal forces and is, as a result, the most volcanically active body in ...

anglesite

(Encyclopedia)anglesite ăngˈgləsīt [key], pale green, blue, yellow-to-white, or colorless mineral, a sulfate of lead, PbSO4, that is formed by oxidation of galena, crystallizing in the orthorhombic system and o...

Holt, Henry

(Encyclopedia)Holt, Henry, 1840–1926, American author and publisher, b. Baltimore. In 1866 he became a partner in the publishing firm that became (1873) Henry Holt & Company. He was the author of several nove...

Haridwar

(Encyclopedia)Haridwar härˈdwärˌ [key], city, Uttarakhand state, N India, on the Ganges River. The head...

fusel oil

(Encyclopedia)fusel oil fyo͞oˈzəl [key], oily, colorless liquid with a disagreeable odor and taste. It is a mixture of alcohols (largely amyl alcohols) and fatty acids, formed during the alcoholic fermentation o...

equator

(Encyclopedia)equator, imaginary great circle around the earth, everywhere equidistant from the two geographical poles and forming the base line from which latitude is reckoned. The equator, which measures c.24,902...

ataxia

(Encyclopedia)ataxia ətăkˈsēə [key], lack of coordination of the voluntary muscles resulting in irregular movements of the body. Ataxia can be brought on by an injury, infection, or degenerative disease of the...

Atbarah

(Encyclopedia)Atbarah or Atbara both: ătbäˈrə [key], town, E Sudan, at the junction of the Atbara and Nile rivers. An important rail junction, it is also the headquarters of Sudan's...

Long Range

(Encyclopedia)Long Range, mountain range, extending c.300 mi (480 km) along the west coast of Newfoundland island, Canada; rises to 2,672 ft (814 m) in the Lewis Hills. It forms the Great Northern Peninsula of NW N...

Norris, John

(Encyclopedia)Norris, John, 1657–1711, English clergyman and philosopher. As the most prominent follower of Malebranche he wrote, in exposition of that philosopher's system, An Essay towards the Theory of the Ide...