perspiration
noun
per·spi·ra·tion
ˌpər-spə-ˈrā-shən 
1
: the action or process of perspiring
2
: a saline fluid secreted by the sweat glands : sweat
Examples of perspiration in a Sentence
She wiped the perspiration from her forehead.
Recent Examples on the Web
The water reclamation system on the International Space Station recycles the crew's waste water — including their urine and perspiration — into clean drinking water, enabling their long stays in low Earth orbit.
—
Robert Z. Pearlman, Space.com, 11 July 2025
Opioid pain relievers, such as oxycodone or morphine, can also disrupt the body’s ability to manage heat, triggering perspiration.
—Lauryn Higgins, Time, 7 July 2025
This is the despair of wrestlers: unredeemed perspiration, useless bruises.
—James Parker, The Atlantic, 6 July 2025
Researchers have discovered that perspiration may carry far more information and may be easier to stimulate, gather, and analyze than previously thought.
—IEEE Spectrum, 22 Oct. 2014
See All Example Sentences for perspiration
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Robert Z. Pearlman, Space.com, 11 July 2025
Opioid pain relievers, such as oxycodone or morphine, can also disrupt the body’s ability to manage heat, triggering perspiration.
—Lauryn Higgins, Time, 7 July 2025
This is the despair of wrestlers: unredeemed perspiration, useless bruises.
—James Parker, The Atlantic, 6 July 2025
Researchers have discovered that perspiration may carry far more information and may be easier to stimulate, gather, and analyze than previously thought.
—IEEE Spectrum, 22 Oct. 2014
See All Example Sentences for perspiration
Cite this Entry
“Perspiration.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/perspiration. Accessed 29 Jul. 2025.
Copy CitationKids Definition
perspiration
noun
per·spi·ra·tion
ˌpər-spə-ˈrā-shən
1
: the act or process of perspiring
2
: a salty fluid given off by the sweat glands : sweat
Medical Definition
perspiration
noun
per·spi·ra·tion
ˌpər-spə-ˈrā-shən
1
: the act or process of perspiring
2
: a saline fluid that is secreted by the sweat glands, that consists chiefly of water containing sodium chloride and other salts, nitrogenous substances (as urea), carbon dioxide, and other solutes, and that serves both as a means of excretion and as a regulator of body temperature through the cooling effect of its evaporation
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