(ˌ) ̷ ̷ˌ ̷ ̷ ̷ ̷ˈ ̷ ̷əˌnizəm noun
( -s )
Usage: usually capitalized
Etymology: pythagorean + -ism
: the doctrines and theories of Pythagoras and the Pythagoreans who developed some basic principles of mathematics and astronomy, originated the doctrine of the harmony of the spheres, and believed in a theory of metempsychosis, the eternal recurrence of things, and a number mysticism