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Jupiter

noun

  1. Rom. Myth. the chief deity, god of thunder and the skies: identified with the Greek Zeus
  2. the largest planet of the solar system and the fifth in distance from the sun: it has a ring composed of microscopic dustlike particles: diameter, c. 142,980 km (c. 88,850 mi); period of revolution, 11.86 earth years; period of rotation, 9.92 hours; 62 satellites; symbol, ♃

See Jupiter in American Heritage Dictionary 4

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