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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ELEMENTARY SCHOOL PUNCTUATION QUIZ

Punctuation marks help make writing easy to read and understand. Some of the most important ones are the period (.), comma (,), question mark (?), and exclamation point (!). How well do you know how to use them? Find out in this quiz!
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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