- Ptolemaic - of or relating to the astronomer Ptolemy
- Ptolemaic - of or relating to the geocentric Ptolemaic system; "in the Ptolemaic system of planetary motion the earth is fixed as the center of the universe with the sun and moon and planets revolving around it"
Antonym: heliocentric (indirect, via geocentric)
- Ptolemaic - of or relating to the geocentric Ptolemaic system; "in the Ptolemaic system of planetary motion the earth is fixed as the center of the universe with the sun and moon and planets revolving around it"