acoustic

play
adjective acous·tic \ə-ˈküs-tik\

Definition of acoustic

  1. 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>: as a :  deadening or absorbing sound <acoustic tile> b :  operated by or utilizing sound waves

  2. 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

Variants of acoustic

or

acoustical

play \-ti-kəl\

Origin and Etymology of acoustic

Greek akoustikos of hearing, from akouein to hear — more at hear


First Known Use: 1605


ACOUSTIC Defined for English Language Learners

acoustic

play
adjective acous·tic \ə-ˈküs-tik\

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

play
adjective acous·tic \ə-ˈkü-stik\

Definition of acoustic for Students

  1. 1 :  of or relating to hearing or sound

  2. 2 :  not having the sound changed by electrical devices <an acoustic guitar>

Variants of acoustic

or

acoustical

\-sti-kəl\

Medical Dictionary

acoustic

play
adjective acous·tic \ə-ˈkü-stik\

Medical 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>: asa:  deadening or absorbing sound <acoustic tile>b:  operated by or utilizing sound waves

acoustically

\-k(ə-)lē\play adverb

Variants of acoustic

or

acoustical

\-sti-kəl\play


Seen and Heard

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