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

Grantline's voice in my audiphone broke my despairing rush of thoughts.

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

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

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

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

I gathered up my little audiphone, thrust it under my dark flowing cloak.

From Wandl the Invader by Cummings, Ray

Further extracts from the diary are:— Saturday evening, J—— accidentally broke my audiphone.

From Miss Ellis's Mission by Smith, Mary P. Wells