/ Dictionary / Index E experimentalism: Meaning and Definition of Find definitions for: ex•per•i•men•tal•ism Pronunciation: (ik-sper"u-men'tl-iz"um), [key] — n. doctrine or practice of relying on experimentation; empiricism. fondness for experimenting or innovating: The psychologists' children were raised in an atmosphere of vigorous experimentalism. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: experimentalism (Thesaurus) experimental experimental psychology Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language