n.
Pronunciation: ' m ī -kr ə - ˌ f ō n
Function: noun
Etymology: International Scientific Vocabulary
Date: 1878
: an instrument whereby sound waves are caused to generate or modulate an electric current usually for the purpose of transmitting or recording sound (as speech or music)
– mi · cro · phon · ic \ ˌ m ī -kr ə - ' fä-nik \ adjective