per·​me·​abil·​i·​ty | \ ˌpər-mē-ə-ˈbi-lə-tē \

Definition of permeability

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 architects created the illusion of permeability by cladding the home’s top window with a pattern of metal material. Liz Stinson, Curbed, "Bright red prefab home could pass for a modern barn," 8 June 2018 Shale tends to have both low porosity and low permeability. Jeffrey Ball, Fortune, "Photographing The Permian Basin," 25 May 2018 Other constituents might interfere with the permeability and porosity of the shale itself, gumming up oil production. Jennifer Hiller, San Antonio Express-News, "Oil field wastewater finds a second life," 7 May 2018 Given that permeability, the financial temptation for pop stars to head to Nashville is clear. Spencer Kornhaber, The Atlantic, "Telling the Pop-Star-Goes-Country Story Again," 6 Apr. 2018 This permeability would be a recurring feature of his later work. Nikil Saval, New York Times, "Kengo Kuma’s Architecture of the Future," 15 Feb. 2018 In these plants, cooling temperatures initiate the accumulation of sugars, modification of proteins and changes in cell membrane permeability - all of which increase the plant's cold hardiness. Jefferson County Cooperative Extension,, "Protecting plants from the cold (Garden Talk)," 5 Feb. 2018 More studies are needed to determine how the T. reesei spores affect concrete's strength and permeability, as well as how long the spores can survive within concrete. David Freeman /, NBC News, "This fungus from WWII could offer a simple fix for crumbling infrastructure," 24 Jan. 2018 Fracturing and rock breakage are extensive and markedly increased, and permeability is appreciably increased both in the rock mass itself and along isolated tectonic faults. ... Eric Limer, Popular Mechanics, "Is North Korea's Nuke-Testing Mountain at Risk of Collapse?," 20 Oct. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'permeability.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of permeability

1759, in the meaning defined at sense 1

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Time Traveler for permeability

The first known use of permeability was in 1759

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More Definitions for permeability


per·​me·​abil·​i·​ty | \ ˌpər-mē-ə-ˈbil-ət-ē \
plural permeabilities

Medical Definition of permeability

: the quality or state of being permeable

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More from Merriam-Webster on permeability

Spanish Central: Translation of permeability

Nglish: Translation of permeability for Spanish Speakers

Britannica English: Translation of permeability for Arabic Speakers Encyclopedia article about permeability

Comments on permeability

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to express emotion in a dramatic way

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