| NOUN | person | Hipparchus | 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) |
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| 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). | |
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| Instance of | astronomer, uranologist, stargazer | A physicist who studies astronomy |
| mathematician | A person skilled in mathematics | |
| Spanish | Hiparco | |
| Catalan | Hiparc de Nicea, Hipparchus | |
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