audiphone

American  

[aw-duh-fohn] / ˈɔ dəˌfoʊn /

noun

Medicine/Medical.

1. a kind of diaphragm held against the upper teeth to assist hearing by transmitting sound vibrations to the auditory nerve.

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audiphone British  

/ ˈɔːdɪˌfəʊn /

noun

1. a type of hearing aid consisting of a diaphragm that, when placed against the upper teeth, conveys sound vibrations to the inner ear

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Etymology

Origin of audiphone

1875–80, audi(o)- + -phone, modeled on telephone

Example Sentences

An audiphone buzzer interrupted him, a call from the duty man in the instrument room of the nearby building.

From Brigands of the Moon by Cummings, Ray

And then the audiphone on the desk buzzed.

From Wandl the Invader by Cummings, Ray

A radio audiphone transmitter and receiver, with its attendant eavesdropping cut-offs.

From Astounding Stories of Super-Science, October, 1930 by Various

"You—can you raise Great New York on the audiphone, Hendrick?"

From Astounding Stories of Super-Science, November, 1930 by Various

The audiphone brought her comment: "Perhaps he has gone." ut he had not.

From Astounding Stories of Super-Science, May, 1930 by Bates, Harry