Copernican definition by American Heritage Dictionary
Of or relating to the theory of Copernicus that Earth rotates daily on its axis and, with the other planets in the solar system, revolves around the sun.
Variant of Copernicus
Copernicus, Nicolaus (L. form of Mikolaj Kopernik) 1473-1543; Pol. astronomer
- Copernican adjective, noun