calippic period

1 definition found

calippic period - Collaborative International Dictionary of English v.0.48 :

  Calippic \Ca*lip"pic\, a.
     Of or pertaining to Calippus, an Athenian astronomer.
     [1913 Webster]
  
     Calippic period, a period of seventy-six years, proposed by
        Calippus, as an improvement on the Metonic cycle, since
        the 6940 days of the Metonic cycle exceeded 19 years by
        about a quarter of a day, and exceeded 235 lunations by
        something more.
        [1913 Webster]