acoustic

Noun · Adjective
Synonyms: acoustical

WordNet 3.0

Noun (1)

  1. a remedy for hearing loss or deafness

Adjective (1)

  1. of or relating to the science of acoustics“acoustic properties of a hall”Synonyms: acoustical
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Webster's Dictionary (GCIDE)

Acoustic \A*cous"tic\, n. A medicine or agent to assist hearing. [1913 Webster]
Acoustic \A*cous"tic\ (#; 277), a. [F. acoustique, Gr. ? relating to hearing, fr. ? to hear.] Pertaining to the sense of hearing, the organs of hearing, or the science of sounds; auditory. [1913 Webster]

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. [1913 Webster]

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