repercussion+of+sound
71shock wave — shock′ wave n. 1) mer phs a region of abrupt change of pressure and density moving as a wave front at or above the velocity of sound 2) cvb a repercussion from a startling event • Etymology: 1945–50 …
71shock wave — shock′ wave n. 1) mer phs a region of abrupt change of pressure and density moving as a wave front at or above the velocity of sound 2) cvb a repercussion from a startling event • Etymology: 1945–50 …