Hipparchus

biographical name (1)
Hip·​par·​chus | \ hi-ˈpär-kəs How to pronounce Hipparchus (audio) \

Definition of Hipparchus

 (Entry 1 of 2)

died 514 b.c. tyrant of Athens (527–514)

Hipparchus

biographical name (2)
Hip·​par·​chus | \ hi-ˈpär-kəs How to pronounce Hipparchus (audio) \

Definition of Hipparchus (Entry 2 of 2)

flourished 146–127 b.c. Greek astronomer

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