microphone

[ mahy-kruh-fohn ]
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noun
  1. an instrument capable of transforming sound waves into changes in electric currents or voltage, used in recording or transmitting sound.

Origin of microphone

1
1875–80; micro-, in sense “enlarging” (extracted from microscope) + -phone

Words Nearby microphone

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use microphone in a sentence

British Dictionary definitions for microphone

microphone

/ (ˈmaɪkrəˌfəʊn) /


noun
  1. a device used in sound-reproduction systems for converting sound into electrical energy, usually by means of a ribbon or diaphragm set into motion by the sound waves. The vibrations are converted into the equivalent audio-frequency electric currents: Informal name: mike See also carbon microphone Compare loudspeaker

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