POROUS definition: full of pores. See examples of porous used in a sentence.

The meaning of POROUS is possessing or full of pores. How to use porous in a sentence.

Something that is porous has many small holes, so liquid or air can pass through, especially…. Learn more.

Something that is porous has many small holes in it, which water and air can pass through. The local limestone is very porous.

Definition of porous adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

porous, adj. meanings, etymology, pronunciation and more in the Oxford English Dictionary

Jan 20, 2026 · Adjective porous (comparative more porous, superlative most porous) Full of tiny pores that allow fluids or gasses to pass through.

Nov 10, 2025 · Surfaces that appear solid often contain a complex internal architecture of microscopic voids or holes, classifying them as porous materials. These internal structures dictate how the …

porous /ˈpɔːrəs/ adj permeable to water, air, or other fluids having pores; poriferous easy to cross or penetrate: the porous border into Thailand, the most porous defence in the league Etymology: 14th …

[more porous; most porous] 1 : having small holes that allow air or liquid to pass through porous rock a porous membrane/surface 2 : easy to pass or get through