Pythagorean

[Lat. Pythagoreus, Gr. Πυθαγόρειος, Πυθαγοριστής, Fr. Pythagoricien. See infra.] A follower of Pythagoras, the founder of the Italic sect of philosophers.

Of, or pertaining to, Pythagoras or his philosophy.

Pythagorean system (Astron.), the commonly-received system of astronomy, first taught by Pythagoras, and afterward revived by Copernicus, whence it is also called the Copernican system.—Pythagorean letter. See Y.