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Acoustic   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.






Collaborative International Dictionary of English 0.48








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"Acoustic" Quotes from Famous Books



... me, but it seemed to come from a different point. I turned my ear to the wind, and in the succeeding moments I was more and more baffled. One bay sounded from below and next from far to the right; another from the left. I could not distinguish voice from echo. The acoustic properties of the amphitheater beneath me were too ...
— The Last of the Plainsmen • Zane Grey

... possible by a bequest of $200,000 left by Regent Arthur Hill, '65e, of Saginaw upon his death in 1909, forms one of the unique features of the University's equipment. Despite its seating capacity, with the stage, of over 5,000, it has almost perfect acoustic properties, so that a whisper from the stage can be heard in any portion of this great hall. Its completion in 1913 enabled the University at last to bring the great part of the students together under one roof upon such occasions as the annual convocation, the official opening ...
— The University of Michigan • Wilfred Shaw

... The Acoustic Telephone. Sound Waves. Hearing Electricity. The Diaphragm in a Magnetic Field. A Simple Telephone Circuit. How to Make a Telephone. Telephone Connections. Complete Installation. The Microphone. Light Contact Points. How to Make a Microphone. Microphone, ...
— Electricity for Boys • J. S. Zerbe

... used by the Supreme Court, was admirably adapted for the deliberations of the forty-eight gentlemen who composed the upper house of the Nineteenth Congress. Modeled after the theatres of ancient Greece, it possessed excellent acoustic properties, and there was ample accommodation in the galleries for the few strangers who then visited Washington. The Senate used to meet at noon and generally conclude its day's work by three o'clock, while adjournments over from ...
— Perley's Reminiscences, Vol. 1-2 - of Sixty Years in the National Metropolis • Benjamin Perley Poore

... really "frozen music." And when adorned with tropical plants and lit up with electric lights and pretty faces, it must indeed be a superb sight. Very imposing, too, is the vast Banqueting Hall, from whose platform, to test the acoustic effect of the rows of wires stretched six inches apart under the ceiling to break the sound, I addressed vacancy. The panels of this hall still await their artists. 'T is a rare opportunity for Glasgow to emulate the Parisian Pantheon; and, indeed, there is so much art-work to be done ...
— Without Prejudice • Israel Zangwill

... Metropolitan Opera House was built in 1883, and the vigor of the social opposition, coupled with popular appreciation of the new spirit, which came in with the German rgime, gave the deathblow to the Academy, whose loss to fashion was long deplored by the admirers of its fine acoustic qualities and its effective architectural arrangements for the purposes ...
— Chapters of Opera • Henry Edward Krehbiel

... attend their practices in their barracks. There I also met the whole staff of officers, and was treated by them with great respect. These bands played on alternate evenings amid brilliant illuminations in the middle of the Piazza San Marco, whose acoustic properties for this class of production were really excellent. I was often suddenly startled towards the end of my meal by the sound of my own overtures; then as I sat at the restaurant window giving myself up to impressions of the music, I did not ...
— A Wanderer in Venice • E.V. Lucas

... the ear as at present known to the comparative physiologist are grouped as the acoustic and the non-acoustic. The cochlea is supposed on very good grounds to have to do with the acoustic functions, and the organs of the semicircular canals on equally good evidence are thought to have to do with such ...
— The Dancing Mouse - A Study in Animal Behavior • Robert M. Yerkes

... called, indicates a state of unnecessary throat tension as the cause, or at any rate the accompaniment, of every faulty tone. Further, an outline is given of all scientific knowledge of the voice. The anatomy of the vocal organs, and the acoustic and mechanical principles of the vocal action, are briefly described. Finally, the psychological laws of tone-production are considered. It is seen that under normal conditions the voice instinctively obeys the ...
— The Psychology of Singing - A Rational Method of Voice Culture Based on a Scientific Analysis of All Systems, Ancient and Modern • David C. Taylor

... rest of the school, at Aberystwith. It was the second of two given in support of the new church at Borth, to the debt on which the proceeds were devoted. The first was held in the Assembly Room of the Queen's Hotel, a beautiful room, with fine acoustic properties. We cannot say as much for the Temperance Hall, in which the second was given. It is a structure of the very severest Georgian architecture. "Why," asks a reporter, "should water-drinkers allow it to be supposed that ...
— Uppingham by the Sea - a Narrative of the Year at Borth • John Henry Skrine

... have revealed further suggestive facts with regard to sound, and more particularly with regard to the varying acoustic properties of the air. It is a familiar experience how distant sounds will come and go, rising and falling, often being wafted over extraordinary distances, and again failing altogether, or sometimes being lost at near range, but appearing in strength further away. A free balloon, moving ...
— The Dominion of the Air • J. M. Bacon

... reminding one of the open space between the slats of a Venetian blind. Below it was a pine table filled with papers and surrounded by stools. When occupying one of these seats, one's eyes could sweep the entire plain. On the walls were electric apparatus, acoustic tubes ...
— The Four Horsemen of the Apocalypse • Vicente Blasco Ibanez

... know, the dining-hall of the Utinam Club is of a circular shape, and it happens to possess certain peculiar acoustic properties. In other words, it is a whispering-gallery, and it so chanced that Senator Morrison sat at one of the definite points—they call them vocal foci, I think—and I at the other. That is the ...
— The Gates of Chance • Van Tassel Sutphen



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