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18.118.32.6
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1 definition found

From: Webster's Revised Unabridged Dictionary (1913)

 Ca·lip·pic 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.
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