acoustic radiation pressure: (acoustics) the pressure exerted on a surface normal to the direction of propagation of a sound wave
radiation pressure: the minute pressure exerted on a surface normal to the direction of propagation of a wave
umma tameer-e-nau: a nongovernmental organization of Pakistani scientists that has been a supporter of terrorism; has provided information about chemical and biological and nuclear warfare to Osama bin Laden and al-Qaeda and the Taliban