noun
- Alexandrian astronomer (of the 2nd century) who proposed a geocentric system of astronomy that was undisputed until the late Renaissance.
- synonyms: Claudius Ptolemaeus
- An ancient dynasty of Macedonian kings who ruled Egypt from 323 BC to 30 BC; founded by Ptolemy I and ended with Cleopatra.
- synonyms: Ptolemaic dynasty
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). ptolemy. Retrieved September 22, 2026, from http://smartdefine.org/ptolemy/definitions/1222916 |
| Chicago | WordNet. 2010. "ptolemy" http://smartdefine.org/ptolemy/definitions/1222916 (accessed September 22, 2026). |
| Harvard | WordNet 2010, ptolemy, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/ptolemy/definitions/1222916>. |
| MLA | WordNet. "ptolemy" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/ptolemy/definitions/1222916> |