/ Dictionary / Index P partial fractions: Meaning and Definition of Find definitions for: par'tial frac'tions Pronunciation: [key] — Algebra. Algebra. one of the fractions into which a given fraction can be resolved, the sum of such simpler fractions being equal to the given fraction:5/(x−x) are 5/(x−1) and −5/x. Partial fractions of Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. partial differential equation partiality Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language