Calippic
a.-
Of or pertaining to
Calippus , an Athenian astronomer.
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.
