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Meaning of ism

ism

Pronunciation: (iz'um), [key]
— n.
  1. a distinctive doctrine, theory, system, or practice: This is the age of isms.

-ism

Pronunciation: [key]
  1. a suffix appearing in loanwords from Greek, where it was used to form action nouns from verbs (baptism); on this model, used as a productive suffix in the formation of nouns denoting action or practice, state or condition, principles, doctrines, a usage or characteristic, devotion or adherence, etc. (criticism; barbarism; Darwinism; despotism; plagiarism; realism; witticism; intellectualism). Cf. -ist, -ize.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also:
  • ism (Thesaurus)