acoustic

acous·tic

adjective \ə-ˈküs-tik\

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>: 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

— acous·ti·cal·ly \-k(ə-)lē\ adverb

Variants of ACOUSTIC

acous·tic or acous·ti·cal \-ti-kəl\

Examples of ACOUSTIC

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

Origin of ACOUSTIC

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

First Known Use: 1605

Related to ACOUSTIC

Synonyms

auditory (or acoustical), audial, audile, aural, auricular

Antonyms

nonauditory

Related Words

audiovisual; audible, clear, discernible (also discernable), distinct, distinguishable, heard, perceptible

Near Antonyms

faint, feeble, imperceptible, inaudible, indistinct, indistinguishable; low, noiseless, quiet, silent, soft, soundless

Other Physics Terms

amplitude, centrifugal, centripetal, convection, gradient, hysteresis, kinetic, lase, quantum

acous·tic

adjective \ə-ˈkü-stik\   (Medical Dictionary)

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

—acous·ti·cal·ly \-k(ə-)lē\ (audio pronunciation) adverb

Variants of ACOUSTIC

acous·tic or acous·ti·cal \-sti-kəl\ (audio pronunciation)