hot microphone (English, noun)
expansion: hot microphone (plural hot microphones)
Senses:
topics: aeronautics
aerospace
aviation
business
electrical-engineering
electricity
electromagnetism
electronics
energy
engineering
natural-sciences
physical-sciences
physics
glosses: A microphone that is activated (but not powered) by the sound of the user's voice, allowing it to pick up speech without having to be manually turned on, while still rejecting background noise unaccompanied by speech.
tags: especially
Forms:
form: hot microphones
tags: plural