Calippic

• (a.) Of or pertaining to Calippus, an Athenian astronomer.
Found on http://thinkexist.com/dictionary/meaning/calippic/

Calippic

Ca┬Ělip'pic adjective 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 l...
Found on http://www.encyclo.co.uk/webster/C/9
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