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Audio » Dictionary » P » Populus Tremula ... Port Moresby


Pronunciation (US): 

 Dictionary entry overview: What does porous mean? 

POROUS (adjective)
  The adjective POROUS has 3 senses:

1. able to absorb fluids
2. full of pores or vessels or holes
3. allowing passage in and out

  Familiarity information: POROUS used as an adjective is uncommon.

 Dictionary entry details 

POROUS (adjective)

Sense 1porous [BACK TO TOP]


Able to absorb fluids

Context examples:

the partly porous walls of our digestive system / compacting the soil to make it less porous


permeable (allowing fluids or gases to pass or diffuse through)

Sense 2porous [BACK TO TOP]


Full of pores or vessels or holes


poriferous; porous


porose (forming a continuous series of pores)


nonporous (not porous; especially not having vessels that appear as pores)

Sense 3porous [BACK TO TOP]


Allowing passage in and out


holey; porous

Context example:

our unfenced and largely unpoliced border inevitably has been very porous


leaky (permitting the unwanted passage of fluids or gases)

 Learn English with... Proverbs of the week 
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