Meaning of ACOUSTIC in English

ACOUSTIC

adj. & n.

--adj.

1. relating to sound or the sense of hearing.

2 (of a musical instrument, gramophone, or recording) not having electrical amplification (acoustic guitar).

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

4 Mil. (of a mine) that can be exploded by sound waves transmitted under water.

--n.

1. (usu. in pl.) the properties or qualities (esp. of a room or hall etc.) in transmitting sound (good acoustics; a poor acoustic).

2 (in pl.; usu. treated as sing.) the science of sound (acoustics is not widely taught).

Phrases and idioms:

acoustic coupler Computing a modem which converts digital signals into audible signals and vice versa, so that the former can be transmitted and received over telephone lines.

Derivatives:

acoustical adj. acoustically adv.

Etymology: Gk akoustikos f. akouo hear

Oxford English vocab.      Оксфордский английский словарь.