Longman Dictionary of Contemporary English homepage

Date: 1300-1400
Language: French
Origin: poreux, from pore; PORE1

porous

 adjective
     
Related topics: Geology
po‧rous
1HEG allowing liquid, air etc to pass slowly through many very small holes:
porous material
2 easy to pass through or get into something:
the porous border between Haiti and the Dominican Republic
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.

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