phonautograph
English
editEtymology
editFrom phono- + auto- + -graph.
Pronunciation
edit- (Received Pronunciation) IPA(key): /fənɔːtəɡɹɑːf/
- (US) IPA(key): /fənɔtəɡɹæf/
- (cot–caught merger) IPA(key): /fənɑtəɡɹæf/
Noun
editphonautograph (plural phonautographs)
- (historical) A device for recording sound vibrations in a visible form.