Hipparchus

[ hi-pahr-kuhs ]

/ hɪˈpɑr kəs /

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noun

died 514 b.c., tyrant of Athens 527–514.

c190–c125 b.c., Greek astronomer.

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Words nearby Hipparchus

hip-huggers, hip joint, hiplength, hipp-, hipparch, Hipparchus, Hipparchus satellite, hippeastrum, hipped, hipped roof, Hippias

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use Hipparchus in a sentence

“I think this lays to rest doubts about the existence of Hipparchus’ catalog” and confirms that he was “trying to measure coordinates for all of the visible stars,” says Victor Gysembergh, a historian of ancient science at CNRS in Paris.
Part of a lost, ancient star catalog has now been found|Lisa Grossman|November 7, 2022|Science News
And when he was unable to do that, Hipparchus would not pay down his silver, until he could make further inquiry.
The Inhumanity of Socialism|Edward F. Adams
This was the number of stars comprised in the Catalogue of Ptolemy, according to the system of Hipparchus.
The Thoughts of Blaise Pascal|Blaise Pascal
Scientific method in the work of Hipparchus meant a very different thing from the scientific method of the Chaldeans.
Appletons' Popular Science Monthly, July 1899|Various

One of the tyrants, Hipparchus, was very jealous of Harmodius, because the people loved him so much.
The Story of the Greeks|H. A. Guerber
Statues were raised to Harmodius and Aristogeiton, who slew Hipparchus.
Charles Sumner; his complete works, volume 6 (of 20)|Charles Sumner

British Dictionary definitions for Hipparchus (1 of 2)

Hipparchus¹

/ (hɪˈpɑːkəs) /

noun

2nd century bc, Greek astronomer. He discovered the precession of the equinoxes, calculated the length of the solar year, and developed trigonometry

died 514 bc, tyrant of Athens (527–514)

British Dictionary definitions for Hipparchus (2 of 2)

Hipparchus²

/ (hɪˈpɑːkəs) /

noun

a large crater in the SW quadrant of the moon, about 130 kilometres in diameter

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for Hipparchus

Hipparchus

also Hipparchos

(hĭ-pär′kəs) 190?-120? bce

Greek astronomer who mapped the positions of about 850 stars in the earliest known star chart (129 bce). His observations of the heavens formed the basis of Ptolemy's Earth-centered model of the universe. He was also a pioneer of trigonometry.