/ Dictionary / Index M microphonism: Meaning and Definition of Find definitions for: mi•cro•phon•ism Pronunciation: (mī'kru-fō"niz-um), [key] — n. Electronics. a usually undesirable property of some electronic circuits or components in which mechanical vibrations of a component affect the signal being transmitted through the circuit. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. microphonic microphotograph Related Content Daily Word Quiz: pundit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language