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rhea, in zoology
(Encyclopedia) rhearhearēˈə [key], common name for a South American bird of the family Rheidae, which is related to the ostrich. Weighing from 44 to 55 lb (20–25 kg) and standing up to 60 in. (152 cm…Rhea, in astronomy
(Encyclopedia) Rhea, in astronomy, one of the named moons, or natural satellites, of Saturn. Also known as Saturn V (or S5), Rhea is 950 mi (1530 km) in diameter, orbits Saturn at a mean distance of…rocket, in botany
(Encyclopedia) rocket, in botany, popular name for several plants of the family Cruciferae (or Brassicaceae; mustard family). The dame's, or damask, violet, damewort, or sweet rocket is Hesperis…rocket, in aeronautics
(Encyclopedia) CE5 Relative positions of the components of the Saturn V rocket, the U.S. space vehicle used in the moon missions rocket, any vehicle propelled by ejection of the gases produced by…rococo, in architecture
(Encyclopedia) rococorococorəkōˈkō, rō– [key], style in architecture, especially in interiors and the decorative arts, which originated in France and was widely used in Europe in the 18th cent. The…rococo, in music
(Encyclopedia) rococo, in music, 18th-century reaction against the baroque style. Less formal and grandiose in structure, it was a graceful rather than a profound style, more hedonistic than…ring, in astronomy
(Encyclopedia) ring, in astronomy, relatively thin band of rocks and dust and ice particles that orbit around a planet in the planet's equatorial plane. All four of the giant planets in the solar…resistance, in biology
(Encyclopedia) resistance, in biology: see immunity.resistance, in psychiatry
(Encyclopedia) resistance, in psychiatry: see psychoanalysis.resistance, in electricity
(Encyclopedia) resistance, property of an electric conductor by which it opposes a flow of electricity and dissipates electrical energy away from the circuit, usually as heat. Optimum resistance is…Trending
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