permeability
noun
per·me·abil·i·ty
ˌpər-mē-ə-ˈbi-lə-tē 
1
: the quality or state of being permeable
2
: the property of a magnetizable substance that determines the degree in which it modifies the magnetic flux in the region occupied by it in a magnetic field
Examples of permeability in a Sentence
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The structure of micron-scale chambers restricts heat transfer while maintaining moisture permeability and quick-drying.
—
Alexandra Harrell, Footwear News, 7 May 2026
They are made of geotextile fabric, renowned for its water permeability.
—Nan Sterman, San Diego Union-Tribune, 2 May 2026
The cell does this with a membrane permeable enough to let nutrients in but solid enough to hold the cell together, plus molecular controls to modulate that permeability as needed.
—Amanda Gefter, Quanta Magazine, 10 Apr. 2026
The question is not merely about one individual, but about the permeability of global networks — how figures with deeply rooted ties to foreign governments and controversial pasts can reemerge in influential cultural and political spaces.
—Antonio María Delgado, Miami Herald, 6 Apr. 2026
See All Example Sentences for permeability
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Alexandra Harrell, Footwear News, 7 May 2026
They are made of geotextile fabric, renowned for its water permeability.
—Nan Sterman, San Diego Union-Tribune, 2 May 2026
The cell does this with a membrane permeable enough to let nutrients in but solid enough to hold the cell together, plus molecular controls to modulate that permeability as needed.
—Amanda Gefter, Quanta Magazine, 10 Apr. 2026
The question is not merely about one individual, but about the permeability of global networks — how figures with deeply rooted ties to foreign governments and controversial pasts can reemerge in influential cultural and political spaces.
—Antonio María Delgado, Miami Herald, 6 Apr. 2026
See All Example Sentences for permeability
Cite this Entry
“Permeability.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/permeability. Accessed 14 May. 2026.
Copy CitationKids Definition
permeability
noun
per·me·abil·i·ty
ˌpər-mē-ə-ˈbil-ət-ē
: the quality or state of being permeable
Medical Definition
permeability
noun
per·me·abil·i·ty
ˌpər-mē-ə-ˈbil-ət-ē
plural permeabilities
: the quality or state of being permeable
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