ACOUSTIC


Meaning of ACOUSTIC in English

[ ə'ku:stɪk ]

■ adjective

1》 relating to sound or hearing.

↘(of building materials) used for soundproofing or modifying sound.

↘(of a device or system) utilizing sound energy.

↘(of an explosive mine) set off by sound waves.

2》 (of popular music or musical instruments) not having electrical amplification.

■ noun

1》 the properties of a room or building that determine how sound is transmitted in it.

2》 ( ~s ) [treated as sing. ] the branch of physics concerned with the properties of sound.

Derivatives

~al adjective

~ally adverb

~ian noun

Origin

C17: from Gk akoustikos , from akouein 'hear'.

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.