Copernican

adjective Co·per·ni·can \kə-ˈpər-ni-kən, kō-\

Definition of COPERNICAN

: of or relating to Copernicus or the belief that the earth rotates daily on its axis and the planets revolve in orbits around the sun

: of radical or major importance or degree <effected a Copernican revolution in philosophy — Times Literary Supplement>

— Copernican noun

— Co·per·ni·can·ism \-kə-ˌni-zəm\ noun

See Copernican defined for kids

Nicolaus Copernicus

First Known Use: 1667

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