Meaning & use
heliocentric
Describing a model of the solar system in which the Sun, not the Earth, is at the center.
See it in a sentence
Copernicus proposed a heliocentric model that placed the Sun at the center of the solar system.
The heliocentric theory eventually replaced the older, Earth-centered view of the universe.
A note on using this word
Heliocentric comes from the Greek 'helios' (sun); its opposite, geocentric, places the Earth at the center instead.
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