permeability

noun

per·​me·​abil·​i·​ty ˌpər-mē-ə-ˈbi-lə-tē How to pronounce permeability (audio)
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

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.
This ensures that the preferences of the central bank are closer to the government’s, which can boost the central bank’s legitimacy in democratic countries, but at the risk of permeability to political influence. Ana Carolina Garriga, The Conversation, 26 Aug. 2025 Worse still, stress increases intestinal permeability—also known as leaky gut—by weakening the gut lining and allowing toxins and harmful microbes to enter the bloodstream. Jordi Lippe-McGraw, Forbes.com, 1 Aug. 2025 The Edwards Aquifer can fill up and empty quickly because of the permeability of the fractured limestone. Claire Osborn, Austin American Statesman, 30 July 2025 Excessive alcohol consumption can harm your gut microbiome by reducing the diversity of beneficial bacteria and increasing the permeability of the gut lining. Lauren Manaker Ms, Health, 23 June 2025 See All Example Sentences for permeability

Word History

First Known Use

1759, in the meaning defined at sense 1

Time Traveler
The first known use of permeability was in 1759

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Cite this Entry

“Permeability.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/permeability. Accessed 9 Sep. 2025.

Kids Definition

permeability

noun
per·​me·​abil·​i·​ty ˌpər-mē-ə-ˈbil-ət-ē How to pronounce permeability (audio)
: the quality or state of being permeable

Medical Definition

permeability

noun
per·​me·​abil·​i·​ty ˌpər-mē-ə-ˈbil-ət-ē How to pronounce permeability (audio)
plural permeabilities
: the quality or state of being permeable

More from Merriam-Webster on permeability

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