/ Dictionary / Index R reducible: Meaning and Definition of Find definitions for: re•duc•i•ble Pronunciation: (ri-d'su-bul, -dy'-), [key] — adj. capable of being reduced. of or pertaining to a polynomial that can be factored into the product of polynomials, each of lower degree. of or pertaining to a group that can be written as the direct product of two of its subgroups. of or pertaining to a set whose set of accumulation points is countable. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: reducible (Thesaurus) reducer reducing agent Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language