English definition of Microphone

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Definition of microphone

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Microphone (n.) An instrument for intensifying and making audible very feeble sounds. It produces its effects by the changes of intensity in an electric current, occasioned by the variations in the contact resistance of conducting bodies, especially of imperfect conductors, under the action of acoustic vibrations..

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Microphone :: Microphone (n.) An instrument for intensifying and making audible very feeble sounds. It produces its effects by the changes of intensity in an electric current, occasioned by the variations in the contact resistance of conducting bodies, especially of imperfect conductors, under the action of acoustic vibrations..

Microphonics :: Microphonics (n.) The science which treats of the means of increasing the intensity of low or weak sounds, or of the microphone..