copernican | sense examples, Usage and Definition from wordnet dictionary online

Adjective copernican has 2 senses

Copernican - of radical or major importance; "a Copernican revolution in modern art"
Antonym: unimportant (indirect, via important)
Copernican - according to Copernicus; "in the Copernican system the earth and other planets revolve around the sun"
Antonym: geocentric (indirect, via heliocentric)

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