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

Recent Examples on the Web

Postnature, then, demands a subjectivity that is plural and decenters the human; a postnatural ethics seeks to blur the boundaries between human and nature, crafting new metaphors for the permeability and porousness of life-forms. —Catherine Taft, Artforum, 1 Feb. 2026

Pressure geothermal is deployed in areas with hot, dry, low-permeability rocks. —Ameya Paleja, Interesting Engineering, 22 Jan. 2026

Skin permeability is still a challenge, even with osmolyte accumulation. —Scott Travers, Forbes.com, 22 Jan. 2026

There’s a permeability between the practices of writing and moving; one discipline informs the other. —Bonnie Tsui, The Atlantic, 20 Jan. 2026

Word History

First Known Use

1759, in the meaning defined at sense 1

Rhymes for permeability

• acceptability
• accessibility
• adaptability
• admissibility
• advisability
• affordability
• allowability
• amenability
• amiability
• appealability
• applicability
• availability

Kids 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