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sidereal

[saɪˈdɪəriəl] [saɪˈdɪriəl]
英汉词典释义
英英词典释义
  • Adjective
    1. of or relating to the stars or constellations;
    "sidereal bodies""the sidereal system"
    2. (of divisions of time) determined by daily motion of the stars;
    "sidereal time"