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Acoustic   /əkˈustɪk/   Listen
adjective
Acoustic  adj.  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.



noun
Acoustic  n.  A medicine or agent to assist hearing.






Collaborative International Dictionary of English 0.48








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"Acoustic" Quotes from Famous Books



... she would be so kind. She forthwith went to the piano, he following; and at once there was silence in the long, low-ceilinged drawing-room. Of course this was but a trial, and the room had not been constructed with a view to any acoustic requirements; nevertheless, the fine and penetrating timbre of his trained voice told all the same; indeed, it is probable there was a lump in the throat of more than one of those young ladies when he sang the pathetic refrain, with its proud ...
— Prince Fortunatus • William Black

... forth the last cry with all his might, emphasising the "chi— or!" and, probably from his being on the opposite side of the crevasse, and more favourably placed for the acoustic phenomenon, the syllables were repeated, after a pause, faintly but distinctly—an effect that had not been produced by any of the lad's cries on the ...
— The Crystal Hunters - A Boy's Adventures in the Higher Alps • George Manville Fenn

... seats. He was an elderly man with thin cheeks and a large nose. He had one of those great, orotund voices that occasionally roll out of little men, and he read the service with a misjudged effort to fill the building. The building happened to have peculiarly fine acoustic properties; but the unfortunate man roared like him of Bashan. There was nothing of the customary ecclesiastical dignity and monotony about his articulation; indeed, it grew plain and plainer to Harry that he must have "come over" from some franker and more emotional denomination. It seemed ...
— Stories of a Western Town • Octave Thanet

... invariably showed mean, under-developed lobes, but, strangely enough, were otherwise well shaped, with gracefully defined and chiselled curves. They were not unduly large, with a wonderfully well-formed concha, which fact explained why the acoustic properties of their oral organs were perfect. They made full use of this in long-distance signalling by means of acute whistles, of which the ...
— Across Unknown South America • Arnold Henry Savage Landor

... with him, he called upon Ericsson at his workshop one day. He removed the strings and screws and apron, and called Ericsson's attention to certain defects, asking about the scientific and acoustic principles involved, and discussing the differing effect of the different grain of certain woods. From this he went on to a discussion of sound waves. Finally, to illustrate his meaning and his questions, he replaced the parts, and, bringing the bow softly down ...
— Quiet Talks with World Winners • S. D. Gordon


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