Ptōl'e-mā'ic, a.

(tōl'e-mā'ik), a. [From Ptolemy, the geographer and astronomer.] Pertaining to Ptolemy.

Ptolemaic system (Astron.), that maintained by Ptolemy, who supposed the earth to be fixed in the center of the universe, with the sun and stars revolving around it. This theory was received for ages, but was rejected for the Copernican system.