Copernican adjective & noun. [kǝ'pǝ:nɪk(ǝ)n] M17.
[from Copernicus (see below) Latinized form of Koppernigk + -AN.]
A. adjective. Of or pertaining to the Polish astronomer Copernicus (1473-1543) or his theory that the planets, including the earth, revolve around the sun. M17.
b. noun. A person who holds the Copernican theory. M17.

■ Copernicanism noun (belief in) the Copernican theory E19.

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