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throat microphone

noun
  1. a microphone worn around the throat and actuated by vibrations of the larynx, used when background noise would obscure the sound of speech, as in an airplane cockpit.
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Origin of throat microphone

First recorded in 1955–60
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for throat microphone

throat microphone

noun
  1. a type of microphone that is held against the throat to pick up voice vibrationsAlso called: throat mike
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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