Dictionary

porous

adjective po·rous \ˈpr-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
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Examples of POROUS

  1. The country has a porous border.
  2. <a cleaner that should not be used on porous surfaces>

First Known Use of POROUS

14th century
POROUSLY Defined for Kids

porous

adjective po·rous \ˈpr-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, ˈpr-\

Medical Definition of POROUS

1
:  possessing or full of pores <porous bones>
2
:  permeable to fluids

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