Main Entry: mi·cro·phone

Pronunciation: \ˈmī-krə-ˌfōn\

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 \ˌmī-krə-ˈfä-nik\ adjective