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
Although his shoes contained 10 ounces of highly explosive material, his attempt to light the fuse failed because of foot perspiration.
—
Michael Goldstein, Forbes.com, 11 Sep. 2025
The dirty clothes are typically filled with all the icks: perspiration, body oils, dirt, and skin cells that attract bacteria, and with it, funky smells.
—Kathy Barnes, Better Homes & Gardens, 18 Aug. 2025
Thermoregulatory Sweating The most common type of perspiration, thermal or thermoregulatory sweating, occurs when the hypothalamus (aka the body’s thermostat) senses an increase in body temperature, such as during exercise or when standing outside in the heat.
—Carrie Bell, Outside, 17 Aug. 2025
Hook & Tackle has been a pioneer in fishing clothing since the company began in 1989, offering UPF 50 sun protection in shirts, shorts, hats and pants made of lightweight, perspiration-wicking materials.
—Steve Waters, Miami Herald, 16 Aug. 2025
See All Example Sentences for perspiration
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Michael Goldstein, Forbes.com, 11 Sep. 2025
The dirty clothes are typically filled with all the icks: perspiration, body oils, dirt, and skin cells that attract bacteria, and with it, funky smells.
—Kathy Barnes, Better Homes & Gardens, 18 Aug. 2025
Thermoregulatory Sweating The most common type of perspiration, thermal or thermoregulatory sweating, occurs when the hypothalamus (aka the body’s thermostat) senses an increase in body temperature, such as during exercise or when standing outside in the heat.
—Carrie Bell, Outside, 17 Aug. 2025
Hook & Tackle has been a pioneer in fishing clothing since the company began in 1989, offering UPF 50 sun protection in shirts, shorts, hats and pants made of lightweight, perspiration-wicking materials.
—Steve Waters, Miami Herald, 16 Aug. 2025
See All Example Sentences for perspiration
Cite this Entry
“Perspiration.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/perspiration. Accessed 13 Sep. 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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