/ Dictionary / Index E elementary charge: Meaning and Definition of Find definitions for: el'emen'tary charge' Pronunciation: [key] — Physics. Physics. the unit of electric charge of which all free charges found in nature are integral multiples, equal to 1.602 × 10 coulombs, the charge of the proton. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. elementary elementary function Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language