/ Dictionary / Index Q quadrinomial: Meaning and Definition of Find definitions for: quad•ri•no•mi•al Pronunciation: (kwod"ru-nō'mē-ul), [key] — Algebra. Algebra. —adj. consisting of four terms. —n. a quadrinomial expression. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. quadrillion quadripartite Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language