D defs.my
Entry 1 sense Webster, 1913

Pythagoreanism

· Pyth·a·go·re·an·ism · IPA
01 n. The doctrines of Pythagoras or the Pythagoreans.
  1. 1.
    The doctrines of Pythagoras or the Pythagoreans.
    “As a philosophic school Pythagoreanism became extinct in Greece about the middle of the 4th century [B. C.].” Encyc. Brit.