porosity

noun

po·​ros·​i·​ty pə-ˈrä-sə-tē 

pȯ-

plural porosities

1

a

: the quality or state of being porous

b

: the ratio of the volume of interstices of a material to the volume of its mass

2

: pore

Examples of porosity in a Sentence

Recent Examples on the Web

Choose based on texture, porosity, and moisture needs. —Malia Griggs, Glamour, 2 May 2025

While results may vary depending on hair porosity and texture, the brand promises smoothing benefits for all hair types—curls included. —Conçetta Ciarlo, Vogue, 18 Apr. 2025

Embracing two different styles, both Bin and Fani chose to leave their teapots unglazed, with the porosity of the surface allowing the flavors of the tea to seep into the clay. —Sandra Salibian, Footwear News, 7 Apr. 2025

The exhibition seeks to examine the porosity of boundaries where sound is concerned, and ultimately to propose an alternative understanding of coexistence informed by resonance and vibration. —News Desk, Artforum, 20 Mar. 2025

Word History

First Known Use

14th century, in the meaning defined at sense 1a

Rhymes for porosity

• atrocity
• ferocity
• monstrosity
• pomposity
• precocity
• schistosity
• velocity
• verbosity
• viscosity
• animosity
• curiosity
• generosity

Kids Definition

porosity

noun

po·​ros·​i·​ty pə-ˈräs-ət-ē 

pōr-ˈäs-,

pȯ-ˈräs-

plural porosities

: the quality or state of being porous

Medical Definition

porosity

noun

po·​ros·​i·​ty pə-ˈräs-ət-ē, pō-, pȯ- 

plural porosities

1

a

: the quality or state of being porous

b

: the ratio of the volume of interstices of a material to the volume of its mass

2

: pore