Acoustic is defined as the sense of hearing.(adjective)
An example of the word acoustic is to refer to your ability to hear sound.
The definition of acoustic is music that is played without the use of electronic amplification equipment.(adjective)
An example of the word acoustic is a song in which only a flute is used.
See acoustic in Webster's New World College Dictionary
Origin: Fr acoustique < Gr akoustikos, of or for hearing < akouein, to hear < a- (< ?) + IE base *keu-, to heed, hear
See acoustic in American Heritage Dictionary 4
adjective also a·cous·ti·cal (-stĭ-kəl)
Origin: Greek akoustikos, pertaining to hearing
Origin: , from akouein, to hear; see kous- in Indo-European roots.
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