/ Dictionary / Index T temper color: Meaning and Definition of Find definitions for: tem'per col"or Pronunciation: [key] — Metall. Metall. any of the colors appearing on the surface of clean, unoxidized steel heated in air, from pale yellow at the coolest to dark blue at the hottest: used as an approximate indication of temperature. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. temperature spot tempered Related Content Daily Word Quiz: serendipity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language