1. pertaining to the sense or organs of hearing, to sound, or to the science of sound.
2. (of a building material) designed for controlling sound.
3. Music. of, relating to, or being a musical instrument whose sound is not electrically enhanced or modified. arranged for or made up of such instruments: an acoustic solo; an acoustic group. noun
4. Obsolete. a remedy for deafness or imperfect hearing.
"societies can be acoustical."
"products can be acoustical."
"researchs can be acoustical."
"properties can be acoustical."
"insulations can be acoustical."
This list can help you learn new vocabulary more quickly and be able explore other words more easily.