Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of otacoustic is as below...

Otacoustic :: Otacoustic (a.) Assisting the sense of hearing; as, an otacoustic instrument..

Otacousticon :: Otacousticon (n.) An instrument to facilitate hearing, as an ear trumpet..

Otacoustic :: Otacoustic (n.) Alt. of Otacoustico.

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