[ mahy-kruh-foh-niz-uh m ]
/ ˈmaɪ krəˌfoʊ nɪz əm /

noun 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.

Origin of microphonism

First recorded in 1945–50; microphone + -ism
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019