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

With intentional permeability between the seals, the design doesn’t force a 14-year-old to make an irreversible commitment. — Matt Gandal, Forbes.com, 18 June 2026

Your Risk of Metabolic Disorders Increases The effects of excess dietary sugar, including dysbiosis, permeability, and inflammation, increase the risk of metabolic disorders. — Amber J. Tresca, Verywell Health, 3 June 2026

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

Word History

First Known Use

1759, in the meaning defined at sense 1

Rhymes for permeability

• affability
• audibility
• bistability
• capability
• changeability
• contractility
• credibility
• culpability
• disability
• disutility
• durability
• fallibility

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