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microphonism

American  
[mahy-kruh-foh-niz-uhm] / ˈmaɪ krəˌfoʊ nɪz əm /

noun

Electronics.
  1. 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.


Etymology

Origin of microphonism

First recorded in 1945–50; microphone + -ism