Definify.com
Webster 1913 Edition
Phonoscope
Pho′no-scope
,Noun.
[
Phono-
+ -scope
.] (Physics)
(a)
An instrument for observing or exhibiting the motions or properties of sounding bodies; especially, an apparatus invented by König for testing the quality of musical strings.
(b)
An instrument for producing luminous figures by the vibrations of sounding bodies.
Definition 2024
phonoscope
phonoscope
English
Noun
phonoscope (plural phonoscopes)
- A device that shows images demonstrating the movement of a person's face when pronouncing a word, phrase, or song.