porosity.

The presence or proportion of pores or void spaces in a material.

Use it for

Words that belong together

• rock porosity
• porosity of a wall

On the page

Rock porosity influenced how much fluid the sample could contain.

The wall’s porosity did not by itself determine how quickly water would pass through it.

Usage notes

Primary category: setting / description. Forms: Usually uncountable. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Writing functions: spatial orientation, setting description, material description, contrast. Disciplines: descriptive writing, physical setting, spatial analysis. Commonness: uncommon.