porosity

noun

po·​ros·​i·​ty pə-ˈrä-sə-tē How to pronounce porosity (audio)
pȯ-
plural porosities
1
a
: the quality or state of being porous
b
: the ratio of the volume of interstices of a material to the volume of its mass
2
: pore

Examples of porosity in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
But with porosity, length, volume and other factors weighed into how our texture looks, what defines who has 4C hair and who doesn’t? India Espy-Jones, Essence, 9 Apr. 2025 Choose based on texture, porosity, and moisture needs. Malia Griggs, Glamour, 2 May 2025 While results may vary depending on hair porosity and texture, the brand promises smoothing benefits for all hair types—curls included. Conçetta Ciarlo, Vogue, 18 Apr. 2025 Embracing two different styles, both Bin and Fani chose to leave their teapots unglazed, with the porosity of the surface allowing the flavors of the tea to seep into the clay. Sandra Salibian, Footwear News, 7 Apr. 2025 See All Example Sentences for porosity

Word History

First Known Use

14th century, in the meaning defined at sense 1a

Time Traveler
The first known use of porosity was in the 14th century

Browse Nearby Words

Cite this Entry

“Porosity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/porosity. Accessed 7 Jun. 2025.

Kids Definition

porosity

noun
po·​ros·​i·​ty pə-ˈräs-ət-ē How to pronounce porosity (audio)
pōr-ˈäs-,
pȯ-ˈräs-
plural porosities
: the quality or state of being porous

Medical Definition

porosity

noun
po·​ros·​i·​ty pə-ˈräs-ət-ē, pō-, pȯ- How to pronounce porosity (audio)
plural porosities
1
a
: the quality or state of being porous
b
: the ratio of the volume of interstices of a material to the volume of its mass
2
: pore

More from Merriam-Webster on porosity

Last Updated: - Updated example sentences
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