Dictionary
porous
adjective po·rous \ˈpȯr-əs\
: having small holes that allow air or liquid to pass through
: easy to pass or get through
Full Definition of POROUS
1
a : possessing or full of pores b : containing vessels <hardwood is porous>
2
a : permeable to fluids b : permeable to outside influences
3
: capable of being penetrated <porous national boundaries>
— po·rous·ly adverb
— po·rous·ness noun
See porous defined for English-language learners
See porous defined for kids
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First Known Use of POROUS
14th century
Related to POROUS
- Synonyms
- passable, permeable, pervious, penetrable
- Antonyms
- impassable (also impassible), impenetrable, impermeable, impervious, nonporous
POROUS Defined for Kids
porous
adjective po·rous \ˈpȯr-əs\
Definition of POROUS for Kids
1
: full of small holes <porous wood>
2
: capable of absorbing liquids <porous paper>
Medical Dictionary
porous
adjective po·rous \ˈpōr-əs, ˈpȯr-\
Medical Definition of POROUS
1
: possessing or full of pores <porous bones>
2
: permeable to fluids
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