/ Dictionary / Index E elastic deformation: Meaning and Definition of Find definitions for: elas'tic deforma'tion Pronunciation: [key] — Physics. Physics. the temporary change in length, volume, or shape produced in an elastic substance by a stress that is less than the elastic limit of the substance. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. elastic collision elasticity Related Content Daily Word Quiz: supercilious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language