he·​lio·​cen·​tric | \ˌhē-lē-ō-ˈsen-trik \

Definition of heliocentric 

1 : referred to or measured from the sun's center or appearing as if seen from it

2 : having or relating to the sun as center — compare geocentric

Examples of heliocentric in a Sentence

Galileo proposed the heliocentric theory that the Earth goes around the sun.

Recent Examples on the Web

Thus a heliocentric solar system might well have been a constant of astronomical thought from Babylon and classical Greece onwards. The Economist, "Empty sky, empty Earth?," 5 July 2018 The second stage of the rocket will conduct a total of three engine burns to send the car to a heliocentric orbit around the sun. Jay Bennett, Popular Mechanics, "Falcon Heavy Launches to Become the Most Powerful Rocket in the World," 6 Feb. 2018 After orbiting the Earth for 6 hours, a third-stage burn-to-depletion was completed at approximately 02:30 UTC Feb 7, placing the dummy payload in a heliocentric orbit having a perihelion of 0.99 au and aphelion ~1.7 au. Joe Pappalardo, Popular Mechanics, "We Know Exactly Where Musk’s Space Tesla Is Going," 8 Feb. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'heliocentric.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of heliocentric

1685, in the meaning defined at sense 1

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Time Traveler for heliocentric

The first known use of heliocentric was in 1685

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English Language Learners Definition of heliocentric

: having or relating to the sun as the center

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