ACOUSTICON
\ɐkˈuːstɪkən], \ɐkˈuːstɪkən], \ɐ_k_ˈuː_s_t_ɪ_k_ə_n]\
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An apparatus for enabling the deaf to hear, consisting of a sound-bell and vibratile membrane with a conical tip for insertion into the ear.
By Alexander Duane
By Willam Alexander Newman Dorland
