/ Dictionary / Index P Plotinism: Meaning and Definition of Find definitions for: Plo•ti•nism Pronunciation: (plō-tī'niz-um, plōt'n-iz"-), [key] — n. the Neoplatonism of Plotinus. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Plotinian Plotinus Related Content Daily Word Quiz: belligerent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language