HyperDic: spike_microphone

English > 1 sense of the expression spike microphone:
NOUNartifactspike microphone, spike mikea contact microphone for listening through walls
English > spike microphone: 1 sense > noun 1, artifact
MeaningA contact microphone for listening through walls.
Synonymspike mike
Broadercontact microphone, contact mikeA microphone designed to be used in contact with a source of sound (or with a resonating surface)

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