HIPPARCHUS

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

Greek astronomer and mathematician who discovered the precession of the equinoxes and made the first known star chart and is said to have invented trigonometry (second century BC)

Classified under:

Nouns denoting people

Instance hypernyms:

astronomer; stargazer; uranologist (a physicist who studies astronomy)

mathematician (a person skilled in mathematics)

Credits