ACOUCHY
A*cou"chy, n. Etym: [F. acouchi, from the native name Guiana.]
(Zoöl.)
Defn: A small species of agouti (Dasyprocta acouchy).
ACOUMETER
A*cou"me*ter, n. Etym: [Gr. -meter.] (Physics.)
Defn: An instrument for measuring the acuteness of the sense of hearing. Itard.
ACOUMETRY
A*cou"me*try, n. Etym: [Gr. -metry.]
Defn: The measuring of the power or extent of hearing.
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.
ACOUSTIC
A*cous"tic, n.
Defn: A medicine or agent to assist hearing.