/ Dictionary / Index L logicism: Meaning and Definition of Find definitions for: log•i•cism Pronunciation: (loj'u-siz"um), [key] — n. Logic, Math. the doctrine, developed chiefly by Gottlob Frege and Bertrand Russell, that mathematics can be reduced to logic. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: logicism (Thesaurus) logician logicize Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language