/ Dictionary / Index D decalescence: Meaning and Definition of Find definitions for: de•ca•les•cence Pronunciation: (dē"ku-les'uns), [key] — n. Metall. absorption of heat without a corresponding increase in temperature when a metal has been heated to a critical point. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: decalescence (Thesaurus) decalcomania Decalin Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language