/ Dictionary / Index T temperature gradient: Meaning and Definition of Find definitions for: tem'perature gra"dient Pronunciation: [key] — Meteorol. Meteorol. rate of change of temperature with distance. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. temperature temperature-humidity index Related Content Daily Word Quiz: ounterfeit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language