ptolemy Meaning, Definition & Usage

  1. noun Alexandrian astronomer (of the 2nd century) who proposed a geocentric system of astronomy that was undisputed until the late Renaissance
    Claudius Ptolemaeus.
  2. noun 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.

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