/ Dictionary / Index A algorism: Meaning and Definition of Find definitions for: al•go•rism Pronunciation: (al'gu-riz"um), [key] — n. Math. Now Rare. the Arabic system of arithmetical notation (with the figures 1, 2, 3, etc.). the art of computation with the Arabic figures, one to nine, plus the zero; arithmetic. algorithm. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: algorism (Thesaurus) algophobia algorithm Related Content Daily Word Quiz: languid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language