/ Dictionary / Index E exposure dose: Meaning and Definition of Find definitions for: expo'sure dose" Pronunciation: [key] — Physics. Physics. a measure of radiation based on the ability to produce ionization: expressed in roentgens. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. exposure exposure index Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language