porous

• Se dit d'un matériau ou d'une substance comportant de minuscules trous qui laissent passer lentement les liquides ou l'air à travers eux.

Describes a material or substance that has tiny holes allowing liquid or air to pass through slowly.

1. Able to absorb fluidsB2formal

   Describes a material that can take in liquids or gases through small openings.

   Qui absorbe les fluides

   • The sponge is highly porous and soaks up water quickly.
   • Porous rocks like sandstone can hold groundwater.
   • This type of clay is porous, making it ideal for pottery that breathes.

   Synonymesabsorbentpenetrablepermeableperviousspongy

   Antonymesdenseimpermeablenonporoussolidwaterproof

2. Full of pores or small holesB2formal

   Having many tiny openings or vessels that allow the passage of air or liquid.

   poreux

   • The porous surface of the brick helps it dry quickly.
   • Bone tissue is naturally porous, which makes it lightweight.
   • The membrane is porous, allowing certain molecules to pass through.

   Synonymesabsorptivehoneycombedpenetrablepermeableperviousspongy

   Antonymesdenseimpermeablenonporoussolid

3. Allowing passage in and outC1formal

   Permitting the movement of substances, ideas, or influences through a barrier.

   Perméable

   • The country's porous borders make it difficult to control immigration.
   • The security system is porous, with many vulnerabilities.
   • A porous filter allows water to flow through while trapping sediment.

   Synonymesabsorbentopenpenetrablepermeablepervious

   Antonymesimpermeableimperviousnonporous