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sound pressure
noun
: 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
Examples of sound pressure in a Sentence
Recent Examples on the Web
The experiment revealed that the piezoelectric devices in the model generated relatively small amounts of electricity, with the voltage output varying depending on the sound pressure level and the location of the energy harvesters.
—Ramsha Zubairi, Smithsonian Magazine, 5 Aug. 2024
Volume is measured in decibels, or units of sound pressure.
—Karen Garcia, Los Angeles Times, 10 Aug. 2024
At the root of the therapy, sound frequency is defined as the number of times per second that a sound pressure wave repeats itself, and the standard measure of frequency is a hertz (with one hertz equaling one vibration per second).
—Ryma Chikhoune, WWD, 11 July 2024
The manual reminds us that the sound pressure level of a chainsaw averages 105 dB, and a rock concert about 110 dB, exposure to which, for longer than 30-minutes, can do serious damage to one’s hearing.
—Robert Ross, Robb Report, 9 Apr. 2024
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Word History
First Known Use
1893, in the meaning defined above
Dictionary Entries Near sound pressure
Cite this Entry
“Sound pressure.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sound%20pressure. Accessed 4 Dec. 2024.
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