Acoustic duct
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]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • acoustic duct — noun or acoustic meatus : the external auditory meatus …   Useful english dictionary

  • acoustic duct — meatus acusticus externus …   Medical dictionary

  • acoustic duct — (Anatomy) external passage of the ear …   English contemporary dictionary

  • 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… …   The Collaborative International Dictionary of English

  • Acoustic telegraph — 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… …   The Collaborative International Dictionary of English

  • Acoustic vessels — 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… …   The Collaborative International Dictionary of English

  • acoustic meatus — noun either of the passages in the outer ear from the auricle to the tympanic membrane • Syn: ↑auditory meatus, ↑ear canal, ↑auditory canal, ↑external auditory canal • Hypernyms: ↑meatus • Part Holonyms: ↑ …   Useful english dictionary

  • Acoustic cleaning — is used wherever there is a build up of dry materials and particulates which need to be cleaned regularly to ensure maximum efficiency and minimize maintenance and down time. An acoustic cleaner works by generating powerful sound waves which will …   Wikipedia

  • Acoustic transmission lines — An acoustic transmission line is the acoustic analog of the electrical transmission line, typically thought of as a rigid walled tube that is long and thin relative to the wavelength of sound present in it. Pipe organs, woodwinds, and the like… …   Wikipedia

  • Acoustic impedance — The acoustic impedance Z (or sound impedance) is a frequency f dependent parameter and is very useful, for example, for describing the behaviour of musical wind instruments. Mathematically, it is the sound pressure p divided by the particle… …   Wikipedia

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