microphone 1
noundomain: artefact
Princeton WordNet [ver.3.1]
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EnglishDefinition
device for converting sound waves into electrical energy
Hypernym
a transducer that converts electrical to acoustic energy or vice versa
EnglishHyponym
bug 3
noun
a small hidden microphone; for listening secretly
microphone consisting of a capacitor with one plate fixed and the other forming the diaphragm moved by sound waves
a microphone designed to be used in contact with a source of sound (or with a resonating surface)
a microphone in which sound waves vibrate a piezoelectric crystal that generates a varying voltage
a microphone that is designed to receive sound from a particular direction
