or Ca·lip·pus, Cal·lip·us
- flourished 4th century b.c., Greek astronomer.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for calippus
Even in the time of Calippus fifty-five of these spheres were computed.
Calippus, the reformer of the calendar, is said to have carried an account of this theory to Aristotle.
After the Metonic cycle had been in use about a century, a correction was proposed by Calippus.