/ Dictionary / Index R resistance thermometer: Meaning and Definition of Find definitions for: resist'ance thermom"eter Pronunciation: [key] — Metall. Metall. an instrument for measuring the temperature of a metal, utilizing the principle that the electrical resistance of the metal varies with the temperature. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. resistance level resistance training Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language