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microphone

mi·cro·phone

microphone

 
pronunciation:
maI kr fon
features:
Word History, Word Explorer, Word Parts
part of speech: noun
definition: a device that converts sound waves into electronic signals for recording, amplification, or broadcast.
 
Word History
The word microphone was formed from two ancient Greek words: mikros , meaning "small" and phone, meaning "sound". A microphone makes little sounds bigger.
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See
  communication, film