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acoustics

[uh-koo-stiks] /əˈku stɪks/
noun
1.
(used with a singular verb) Physics. the branch of physics that deals with sound and sound waves.
2.
(used with a plural verb) the qualities or characteristics of a room, auditorium, stadium, etc., that determine the audibility or fidelity of sounds in it.
Origin
1675-1685
1675-85; see acoustic, -ics
Related forms
hyperacoustics, noun

acoustic

[uh-koo-stik] /əˈku stɪk/
adjective, Also, acoustical
1.
pertaining to the sense or organs of hearing, to sound, or to the science of sound.
2.
(of a building material) designed for controlling sound.
3.
Music.
  1. of, pertaining to, or being a musical instrument whose sound is not electrically enhanced or modified.
  2. arranged for or made up of such instruments:
    an acoustic solo; an acoustic group.
noun
4.
Obsolete. a remedy for deafness or imperfect hearing.
Origin
1595-1605; < Greek akoustikós. See acouasm, -tic
Related forms
acoustically, adverb
nonacoustic, adjective, noun
nonacoustical, adjective
nonacoustically, adverb
unacoustic, adjective
unacoustical, adjective
unacoustically, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for acoustics
  • The effective use of implied sub-spaces, seating arrangements, lighting and acoustics was missing.
  • The rise of the science of acoustics supported the ever-increasing advancements in the art of music making.
  • Many use it to communicate, and almost all rely on acoustics to navigate a dark, often turbid world.
  • The stern face across the room, picking up on their confusion through a trick in the apartment's acoustics, broke into a smile.
  • The world has enough of these tunes to last until the final bar band turns to dust, but you admire the acoustics here.
  • Costs and acoustics kept speaker design confined, but two new models radically break the mold.
  • Fine acoustics in a hall certainly enhances listening pleasure.
  • When the hall is sparsely filled, it has troublesome acoustics.
  • And remember, there is no air-conditioning in the house, for fear that the whir of motors would affect the glorious acoustics.
  • Even if you buy nothing, the reverberant acoustics and filtered light in any arcade make a stroll-through a worthwhile excursion.
British Dictionary definitions for acoustics

acoustics

/əˈkuːstɪks/
noun
1.
(functioning as sing) the scientific study of sound and sound waves
2.
(functioning as pl) the characteristics of a room, auditorium, etc, that determine the fidelity with which sound can be heard within it

acoustic

/əˈkuːstɪk/
adjective
1.
of or related to sound, the sense of hearing, or acoustics
2.
designed to respond to, absorb, or control sound an acoustic tile
3.
(of a musical instrument or recording) without electronic amplification an acoustic bass, an acoustic guitar
Derived Forms
acoustically, adverb
Word Origin
C17: from Greek akoustikos, from akouein to hear
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for acoustics
n.

1680s, "science of sound," from acoustic (also see -ics). Meaning "acoustic properties" of a building, etc., attested from 1885.

acoustic

adj.

c.1600, from French acoustique, from Greek akoustikos "pertaining to hearing," from akoustos "heard, audible," verbal adjective from akouein "to hear," probably from copulative prefix a- + koein "to mark, perceive, hear," from PIE *kous- "to hear," perhaps from root *(s)keu- "to notice, observe" (see caveat). Acoustic guitar (as opposed to electric) attested by 1958. Related: Acoustical; acoustically.

Online Etymology Dictionary, © 2010 Douglas Harper
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acoustics in Medicine

acoustic a·cous·tic (ə-kōō'stĭk) or a·cous·ti·cal (-stĭ-kəl)
adj.
Of or relating to sound, the sense of hearing, or the perception of sound.

acoustics a·cous·tics (ə-kōō'stĭks)
n.
The scientific study of sound, especially of its generation, transmission, and reception.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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acoustics in Science
acoustics
  (ə-k'stĭks)   

  1. (Used with a singular verb) The scientific study of sound and its transmission.

  2. (Used with a plural verb) The total effect of sound, especially as produced in an enclosed space.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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