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microphone

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The definition of a microphone is something you talk into that magnifies your voice or makes it louder.

(noun)

An example of microphone is something a singer sings into so people in the back row can hear him.

See microphone in Webster's New World College Dictionary

noun

an instrument containing a transducer that converts the mechanical energy of sound waves into an electric signal, used in telephony, radio, sound amplification, etc.

Origin: micro- + -phone

Related Forms:

microphonic adjective

See microphone in American Heritage Dictionary 4

noun

An instrument that converts sound waves into an electric current, usually fed into an amplifier, a recorder, or a broadcast transmitter.

Related Forms:

miˌcro·phonˈic (-fŏnˈĭk) adjective

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