microphone

American  

[mahy-kruh-fohn] / ˈmaɪ krəˌfoʊn /

noun

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

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microphone British  

/ ˈmaɪkrəˌfəʊn /

noun

1. Informal name: mike.  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 See also carbon microphone Compare loudspeaker

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Etymology

Origin of microphone

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

Example Sentences

He told Variety: "There was a microphone just in front of me, and with hindsight I have to question whether this was wise, so close to where I was seated, knowing I would tic."

From BBC

Awards ceremonies often have microphones placed at various spots around the auditorium, to pick up ambient crowd noise as well as applause and cheering.

From BBC

Even now, she records many of her vocals at home, with a sock stretched over the microphone to prevent popping and sibilance.

From BBC

He recommends using a headset or external microphone for best results.

From The Wall Street Journal

“Take your seats, please,” he said into the microphone.

From Literature