/ Dictionary / Index A abstractionism: Meaning and Definition of Find definitions for: ab•strac•tion•ism Pronunciation: (ab-strak'shu-niz"um), [key] — n. Fine Arts. the practice and theory of abstract art. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: abstractionism (Thesaurus) abstraction abstractionist Related Content Daily Word Quiz: respite Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language