acoustic


acoustic
[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》 (acoustics) [treated as sing.] the branch of physics concerned with the properties of sound.
Derivatives
acoustical adjective
acoustically adverb
acoustician noun
Origin
C17: from Gk akoustikos, from akouein 'hear'.

English new terms dictionary. 2014.

Look at other dictionaries:

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  • acoustic — (adj.) c.1600, from Fr. acoustique, from Gk. akoustikos pertaining to hearing, from akoustos heard, audible, verbal adjective from akouein to hear, probably from copulative prefix a + koein to mark, perceive, hear, from PIE *kous to hear, perhaps …   Etymology dictionary

  • acoustic — 1. Earlier in the 20c two pronunciations were competing with each other: one with ow and the other with oo . The second has prevailed, despite Fowler s prediction that ‘if the word came into popular use, it would probably be with ow ’, based on… …   Modern English usage

  • Acoustic — A*cous tic, n. A medicine or agent to assist hearing. [1913 Webster] …   The Collaborative International Dictionary of English

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