/ Dictionary / Index L logistic curve: Meaning and Definition of Find definitions for: logis'tic curve' Pronunciation: [key] — Math. Math. a curve, shaped like a letterdefined as an exponential function and used to model various forms of growth. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. logistic logistician Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language