sidereal


Definition: Meaning of, sidereal in English to English dictionary.

Pronunciation: / sʌɪˈdɪərɪəl /

  • adjective
  • synonym
  • antonym
Word Forms:
Positive Comparative Superlative
N/A N/A N/A
  1. of or relating to the stars or constellations
    SYNONYM
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    ANTONYM
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  2. of divisions of time determined by daily motion of the stars
    SYNONYM
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    ANTONYM
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synonym
antonym

sidereal used in phrases

  • sidereal day (noun)
    1. the time for one complete rotation of the earth relative to a particular star, about 4 minutes shorter than a mean solar day
  • sidereal hour (noun)
    1. 1/24 of a sidereal day
  • sidereal month (noun)
    1. period between successive conjunctions with a star, 27.322 days
  • sidereal time (noun)
    1. measured by the diurnal motion of stars
  • sidereal year (noun)
    1. the time for the earth to make one complete revolution around the sun, relative to the fixed stars
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