Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun claudius_ptolemaeus
1 sense of claudius ptolemaeus
Sense 1
Ptolemy, Claudius Ptolemaeus -- (Alexandrian astronomer (of the 2nd century) who proposed a geocentric system of astronomy that was undisputed until the late Renaissance)
INSTANCE OF=> astronomer, uranologist, stargazer -- (a physicist who studies astronomy)