microphone
UK /ˈmaɪ.kɹəˌfəʊn/ · US /ˈmaɪ.kɹəˌfoʊn/ noun, verb
Forms microphones microphoning microphoned
- noun A device (transducer) used to convert sound waves into a varying electric current; normally fed into an amplifier and either recorded or transmitted over radio.
- noun (obsolete) A speaking trumpet or hearing trumpet; an acoustic device to concentrate or amplify sound.
- verb (transitive) To put one or more microphones on or in.
Synonyms
Etymology
From micro- + -phone.
Webster’s 1913
- noun An instrument for intensifying and making audible very feeble sounds. It produces its effects by the changes of intensity in an electric current, occasioned by the variations in the contact resistance of conducting bodies, especially of imperfect conductors, under the action of acoustic vibrations.
Etymology [Micro- + Gr. microphone.]
Sources: Wiktionary · Webster’s 1913 — from the Wiktionary entry “microphone”, CC BY-SA 4.0. Details