Ot`a*cous"tic (?), a. [Oto- + acoustic: cf. F. otacoustique.]

Assisting the sense of hearing; as, an otacoustic instrument.

 

© Webster 1913.


Ot`a*cous"tic (?), Ot`a*cous"ti*con (?), n.

An instrument to facilitate hearing, as an ear trumpet.

 

© Webster 1913.

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