porous

play
adjective po·rous \ˈpȯr-əs\

Definition of porous

  1. 1 a :  possessing or full of pores b :  containing vessels <hardwood is porous>

  2. 2 a :  permeable to fluids b :  permeable to outside influences

  3. 3 :  capable of being penetrated <porous national boundaries>

porously

adverb

porousness

noun

Examples of porous in a sentence

  1. The country has a porous border.

  2. <a cleaner that should not be used on porous surfaces>

14th Century

First Known Use of porous

14th century


POROUS Defined for English Language Learners

porous

play
adjective po·rous \ˈpȯr-əs\

Definition of porous for English Language Learners

  • : having small holes that allow air or liquid to pass through

  • : easy to pass or get through


POROUS Defined for Kids

porous

play
adjective po·rous \ˈpȯr-əs\

Definition of porous for Students

  1. 1 :  full of small holes <porous wood>

  2. 2 :  capable of absorbing liquids <porous paper>


Medical Dictionary

porous

play
adjective po·rous \ˈpōr-əs, ˈpȯr-\

Medical Definition of porous

  1. 1:  possessing or full of pores <porous bones>

  2. 2:  permeable to fluids



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to decrease in size, extent, or degree

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