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1. An ancient dynasty of Macedonian kings who ruled Egypt from 323 BC to 30 BC; founded by Ptolemy I and ended with Cleopatra
   - Ptolemaic dynasty
    
2. Alexandrian astronomer (of the 2nd century) who proposed a geocentric system of astronomy that was undisputed until the late Renaissance
   - Claudius Ptolemaeus

Derived forms: Ptolemies

See also: Ptolemaic

Type of: astronomer, dynasty, stargazer, uranologist

Encyclopedia: Ptolemy