acoustic radiation pressure acoustic radiation pressure /əˈkuːstɪk ˌreɪdiˈeɪʃən ˈprɛʃər/

noun

1. (acoustics) the pressure exerted on a surface normal to the direction of propagation of a sound wave  ( acoustic radiation pressure )
   (acoustics) the pressure exerted on a surface normal to the direction of propagation of a sound wave