/ Dictionary / Index R real axis: Meaning and Definition of Find definitions for: re'al ax'is Pronunciation: (rē'ul, rēl), [key] — Math. Math. the horizontal axis in an Argand diagram. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. real real estate Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language