sound pressure

sound pressure
1. Also called excess sound pressure, instantaneous sound pressure. the difference between the pressure at a point in a medium through which a sound wave is passing and the static pressure of the medium at that point.
[1890-95]

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Universalium. 2010.

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  • sound pressure — noun Date: 1893 the difference between the actual pressure at any point in the field of a sound wave at any instant and the average pressure at that point …   New Collegiate Dictionary

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