1
- relating to sound or the sense of hearing声学的; 听觉的：
dogs have a much greater acoustic range than humans.
狗的听觉范围比人大得多。
1.1
- (of building materials) used for soundproofing or modifying sound（建筑材料）隔音的; 修饰声音的：
acoustic tiles.
隔音砖。
1.2
- (of a device or system) utilizing sound energy in its operation（装置, 系统）利用声能运作的。
1.3
- (of an explosive mine or other weapon) able to be set off by sound waves（爆破性水雷或其他武器）能为声波引爆的。
2
- (of popular music or musical instruments) not having electrical amplification（流行音乐, 乐器）无电声扩音的, 原声的：
an acoustic guitar.
原声吉他。
1
- （一般作acoustics）the properties or qualities of a room or building that determine how sound is transmitted in it（房间或建筑物的）音响效果, 音质：
the Symphony Hall has perfect acoustics.
交响音乐厅有完美的音响效果。
1.1
acoustic
the acoustic properties or ambience of a sound recording or of a recording studio（录音的）音质; （录音室的）环境。
2
acoustics
treated as sing. the branch of physics concerned with the properties of sound声学。
3
- a musical instrument without electrical amplification, typically a guitar原声乐器（尤指吉他）。
派生词
acoustical
adjectiveacoustically
adverb词源
mid 17th cent.: from Greek akoustikos, from akouein 'hear'.