Of or pertaining to Ptolemy, the geographer and astronomer.

<astronomy> Ptolemaic system, the system 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 This theory was received for ages, until superseded by the Copernican system.

(01 Mar 1998)

ptisan, PtK2 cell, PTMA, PTN, PTO < Prev | Next > Ptolemy, ptomainaemia, ptomaine

Bookmark with: icon icon icon icon iconword visualiser Go and visit our forums Community Forums