Found 1 items, similar to otacoustic.
English → English (gcide) Definition: otacoustic otacoustic \ot`a*cous"tic\, a. [Oto- + acoustic: cf. F. otacoustique.] Assisting the sense of hearing; as, an otacoustic instrument. [1913 Webster] otacoustic \ot`a*cous"tic\, otacousticon \ot`a*cous"ti*con\, n. An instrument to facilitate hearing, as an ear trumpet. [1913 Webster]