heliocentrism
Meanings
noun
- The theory that the sun is the center of the universe.
- The phenomenon of the Earth revolving around the Sun.
Pronunciation
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Etymology
Shortened from heliocentricism, from heliocentric + -ism, from Ancient Greek ἥλῐος (hḗlĭos, “sun”) + κέντρον (kéntron, “centre”), equivalent to helio- + -centrism.
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