/ Dictionary / Index D dynamic range: Meaning and Definition of Find definitions for: dynam'ic range' Pronunciation: [key] the ratio of the loudest to faintest sounds reproduced without significant distortion, usually expressed in decibels. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dynamic psychology dynamics Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language