/ Dictionary / Index I inflection point: Meaning and Definition of Find definitions for: inflec'tion point" Pronunciation: [key] — Math. Math. a point on a curve at which the curvature changes from convex to concave or vice versa. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. inflectional inflexed 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