Otacousticon definitions

Otacousticon

• (n.) An instrument to facilitate hearing, as an ear trumpet.
Found on http://thinkexist.com/dictionary/meaning/otacousticon/

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otacousticon

otacoustic, otacoustical, otacousticon 1. Aiding or concerning hearing. 2. A reference to an instrument used to assist hearing; such as, an ear-trumpet.
Found on http://www.wordinfo.info/words/index/info/view_unit/1538/

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