Category:Acoustic

A*cous"tic (#; 277), a. Etym: [F. acoustique, Gr.

Defn: Pertaining to the sense of hearing, the organs of hearing, or the science of sounds; auditory. Acoustic duct, the auditory duct, or external passage of the ear.

-- Acoustic telegraph, a telegraph making audible signals; a telephone.

-- Acoustic vessels, brazen tubes or vessels, shaped like a bell, used in ancient theaters to propel the voices of the actors, so as to render them audible to a great distance.

A*cous"tic, n.

Defn: A medicine or agent to assist hearing.