acoustic absorption acoustic absorption /əˌkustɪk æbˈsɔrʃən/

noun

1. (acoustics) A material, structure or object absorbing sound energy when sound waves collide with it, as opposed to reflecting the energy.  ( acoustic absorption )
   (acoustics) A material, structure or object absorbing sound energy when sound waves collide with it, as opposed to reflecting the energy.
    The acoustic absorption of the Alpha Cabin itself is very low and the design ensures a high level of sound insulation to keep the background noise level very low in the frequency range of interest.
   The acoustic absorption of the Alpha Cabin itself is very low and the design ensures a high level of sound insulation to keep the background noise level very low in the frequency range of interest.