acoustic

adjective acous·tic \ ə-ˈküs-tik \
variants: or acoustical play \-ti-kəl\
Updated on: 15 Nov 2017

Definition of acoustic

1 : of or relating to the sense or organs of hearing, to sound, or to the science of sounds
  • acoustic apparatus of the ear
  • acoustic energy
: such as
a : deadening or absorbing sound
  • acoustic tile
b : operated by or utilizing sound waves
2 : of, relating to, or being a musical instrument whose sound is not electronically modified

acoustically

play \-k(ə-)lē\ adverb

Examples of acoustic in a Sentence

  1. the acoustic properties of a room

  2. She loves listening to acoustic folk music.

  3. an acoustic performance of a rock-and-roll song

Recent Examples of acoustic from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'acoustic.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of acoustic

acoustic borrowed from Medieval Latin acousticus, acūsticus, borrowed from Greek akoustikós, from akoustós "heard, audible" (verbal adjective of akoúein "to hear," going back to Indo-European h2kous-) + -ikos 1-ic; acoustical from acoustic + 1-al — more at hear


ACOUSTIC Defined for English Language Learners

acoustic

adjective

Definition of acoustic for English Language Learners

  • : of or relating to sound or to the sense of hearing

  • of a musical instrument : not having its sound changed by electrical devices

  • : made with or using acoustic instruments


ACOUSTIC Defined for Kids

acoustic

adjective acous·tic \ ə-ˈkü-stik \
variants: or acoustical \-sti-kəl\

Definition of acoustic for Students

1 : of or relating to hearing or sound
2 : not having the sound changed by electrical devices
  • an acoustic guitar

Medical Dictionary

acoustic

adjective acous·tic \ ə-ˈkü-stik \
variants: or acoustical play \-sti-kəl\

medical Definition of acoustic

: of or relating to the sense or organs of hearing, to sound, or to the science of sounds
  • acoustic apparatus of the ear
  • acoustic energy
: as
a : deadening or absorbing sound
  • acoustic tile
b : operated by or utilizing sound waves

acoustically

play \-k(ə-)lē\ adverb


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