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phonomotor
phonomotor n. 
/ˌfɒnə(ʊ)ˈməʊtə/, /ˌfoʊnoʊˈmoʊdər/ now historical a device in which sound waves cause a diaphragm to vibrate, which in turn drives a wheel.
Brit. /ˌfəʊnə(ʊ)ˈməʊtə/
, /ˌfəʊnə(ʊ)ˈməʊtə//ˌfɒnə(ʊ)ˈməʊtə/U.S. /ˌfoʊnəˈmoʊdər/
, /ˌfoʊnəˈmoʊdər//ˌfoʊnoʊˈmoʊdər/ΚΠ
1878 Sci. Amer. 27 July 51/1 Mr. Edison..began experiments on a phonomotor, or instrument for measuring the mechanical force of sound waves produced by the human voice.
1998 Lit. & Psychol. 44 The automatic telegraph, telephone, cinematography,..phonomotor, torpedo,..—these are just some of the problems that occupied Edison's mind from the 1870s.
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as lemmas
- gender fluid
- gender fluidity
- gender form
- gender gap
- gender identity
- gender issue
- gender marker
- gender model
- gender pay gap
- gender politics
- gender presentation
- gender pronoun
- gender reassignment
- gender relations
- gender role
- gender sensitivity
- gender stereotype
- gender stereotyping
- gender studies
- gender system
- gender theory
- gender transition
- gender war
- gender-affirming
- gender-appropriate