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View synonyms for porous

porous

[ pawr-uhs, pohr- ]

adjective

  1. full of pores.
  2. permeable by water, air, etc.

    Synonyms: sievelike, riddled, pervious, penetrable



porous

/ ˈpɔːrəs /

adjective

  1. permeable to water, air, or other fluids
  2. biology geology having pores; poriferous
  3. easy to cross or penetrate

    the most porous defence in the league

    the porous border into Thailand

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

porous

/ pôrəs /

  1. Having many pores or other small spaces that can hold a gas or liquid or allow it to pass through.
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Derived Forms

  • ˈporousness, noun
  • ˈporously, adverb
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Other Word Forms

  • porous·ly adverb
  • porous·ness noun
  • non·porous adjective
  • non·porous·ness noun
  • un·porous adjective
  • un·porous·ness noun
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Word History and Origins

Origin of porous1

First recorded in 1350–1400; Middle English, variant of porose, from Medieval Latin porōsus; pore 2, -ous
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Word History and Origins

Origin of porous1

C14: from Medieval Latin porōsus, from Late Latin porus pore ²
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Example Sentences

Examples have not been reviewed.

The long, porous border between India and Bangladesh makes it relatively easy for armed insurgent groups from India's north-eastern states to cross over from Bangladesh.

From BBC

Trump shared an image of the absorbent, yellow and porous icon puzzling over a notepad with a pencil in his hand.

From Salon

Instead, Barkley again ran roughshod over the porous Rams defense for another gazillion.

Homeowners can replace porous vents with fire-resistant ones designed to keep out windswept embers, and install ember-resistant gutter guards that allow rainwater but stop vegetation from piling up on the roofline.

From BBC

According to the US state department, the country's close proximity to Venezuela, porous borders and direct transportation routes to Europe and North America make it "a prime location for narcotics trans-shipment".

From BBC

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