sound pressure
Americannoun
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Also called instantaneous sound pressure, excess 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.
Etymology
Origin of sound pressure
First recorded in 1890–95
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Commander Fox explains that mines generally fall into two categories: contact mines, which detonate when struck, and influence mines, which explode when sensors detect changes in sound, pressure or magnetism.
From BBC ● Jan. 30, 2026
Volume is measured in decibels, or units of sound pressure.
From Los Angeles Times ● Aug. 10, 2024
Unlike human eardrums and conventional microphones that detect sound pressure waves, spider silk responds to changes in the velocities of air particles as they are thrust about by a sound field.
From Science Daily ● May 16, 2024
It shows the average sound pressure over the given time period — and if you ran the app for a full 24 hours, the metric would be comparable with the metric used in many studies.
From New York Times ● Jun. 9, 2023
In some instances, you may encounter a different decibel scale, called the sound pressure level, when ultrasound travels in water or in human and other biological tissues.
From Textbooks ● Aug. 12, 2015
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
