acoustic

Definitions

1. Pertaining to the sense of hearing, the organs of hearing, or the science of sounds
2. The properties or qualities of a room or building that determine how sound is transmitted in it.
   plural-normally
3. Used for soundproofing or modifying sound
4. A medicine or other agent to assist hearing.
5. Of a device or system, using sound energy in its operation
6. Clipping of acoustic guitar.
   abbreviation, alt-of, clipping
7. Of an explosive mine or other weapon, able to be set off by sound waves
8. Naturally producing or produced by an instrument without electrical amplification or the need thereof

Equivalents

CEFR level