Alternative formsEdit


From French acoustique, from Ancient Greek ἀκουστικός (akoustikós, auditory), from Proto-Indo-European *h₂ḱh₂owsyéti (to be sharp-eared), from *h₂eḱ- (sharp) + *h₂ows- (ear) + *yé- (denominative suffix).


  • IPA(key): /əˈkuːstɪk/
  • (file)


acoustic (not comparable)

  1. Pertaining to the sense of hearing, the organs of hearing, or the science of sounds; auditory.
  2. (music) Naturally producing or produced by an instrument without electrical amplification, as an acoustic guitar or acoustic piano.

Derived termsEdit

  • acoustic duct (the auditory duct, or external passage of the ear)
  • acoustic telegraph (a telegraph making audible signals; a telephone, notably used on ships)
  • 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)
  • TranslationsEdit

    The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Wiktionary:Entry layout § Translations.


    acoustic (plural acoustics)

    1. (medicine) A medicine or other agent to assist hearing.
    2. Clipping of acoustic guitar.