microphone

[ mahy-kruh-fohn ]
/ ˈmaɪ krəˌfoʊn /

noun

an instrument capable of transforming sound waves into changes in electric currents or voltage, used in recording or transmitting sound.

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Origin of microphone

1875–80; micro-, in sense “enlarging” (extracted from microscope) + -phone
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for microphone

British Dictionary definitions for microphone

microphone
/ (ˈmaɪkrəˌfəʊn) /

noun

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 currentsInformal name: mike See also carbon microphone Compare loudspeaker
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012