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In

(Encyclopedia) In, symbol for the element indium.

Galatea, in astronomy

(Encyclopedia) Galatea, in astronomy, one of the natural satellites, or moons, of Neptune.

gall, in botany

(Encyclopedia) gall, abnormal growth, or hypertrophy, of plant tissue produced by chemical or mechanical (e.g., the rubbing together of two branches) irritants or hormones. Chemical irritants are…

Ganymede, in astronomy

(Encyclopedia) GanymedeGanymedegănˈēmēdˌ [key], in astronomy, one of the moons, or natural satellites, of Jupiter; the largest natural satellite in the solar system, it is larger than the planet…

Gault, in re

(Encyclopedia) Gault, in reGault, in reĭn rā gôlt [key], case decided in 1967 by the U.S. Supreme Court. Fifteen-year-old Gerald Gault had been found a delinquent by an Arizona juvenile court and…

gaur, in zoology

(Encyclopedia) gaur, large wild ox of Southeast Asia, having a humplike ridge on the back. The gaur, Bos gaurus, is thought to be the largest of the wild cattle; the bulls may measure more than 6 ft…

cork, in botany

(Encyclopedia) cork, protective, waterproof outer covering of the stems and roots of woody plants. Cork is a specialized secondary tissue produced by the cork cambium of the plant (see meristem, bark…

corona, in astronomy

(Encyclopedia) corona, luminous envelope surrounding the sun, outside the chromosphere. Its density is less than one billionth that of the earth's atmosphere. The corona is visible only at the time…

crane, in zoology

(Encyclopedia) crane, large wading bird found in marshes in the Northern Hemisphere and in Africa. Although sometimes confused with herons, cranes are more closely related to rails and limpkins.…