/ Dictionary / Index O ordered pair: Meaning and Definition of Find definitions for: or'dered pair' Pronunciation: [key] two quantities written in such a way as to indicate that one quantity precedes or is to be considered before the other, as (3, 4) indicates the Cartesian coordinates of a point in the plane. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ordered n-tuple orderly Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language