porous

/'pɔ:rəs/
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porous

The sponge is porous and absorbs water quickly.

Definition
  1. Adjective:
    • Allowing fluids or gases to pass through: Describes a material or substance that has small holes or spaces, permitting the flow of liquids or air.
    • Full of pores or tiny openings: Characterized by having many minute interstices or voids.
    • Permeable; not solid or impervious: Often used to describe substances that can absorb or be penetrated by other substances.
Usage Examples
  • Adjective:
    • The sponge is porous and absorbs water quickly.
    • The porous soil allowed the rainwater to drain away rapidly.
    • The city's defenses were porous, allowing the invaders to enter easily.
Advanced Usage
  • "porous border": A boundary that is not strictly enforced or is easily crossed.
    • The long, porous border between the two countries makes smuggling a significant problem.
  • "porous membrane": A thin layer of material that allows certain substances to pass through it.
    • In biology, a porous membrane facilitates the exchange of nutrients and waste products.
Variants and Related Words
  • Porosity (n): The quality or state of being porous; the measure of the void spaces in a material.
    • The porosity of the rock determines how much water it can hold.
  • Pore (n): A minute opening in a surface, especially of the skin or a leaf, for the passage of fluids or gases.
    • Sweat exits the body through the pores in the skin.
Synonyms
  • Permeable: Allowing liquids or gases to pass through.
  • Absorbent: Able to soak up liquids easily.
  • Spongy: Having a soft, elastic, and porous texture.
Antonyms
  • Impermeable: Not allowing fluid to pass through.
  • Nonporous: Lacking pores; not allowing passage of substances.
  • Solid: Firm and stable in shape; not fluid or porous.
Related Phrases and Concepts
  • "porous rock": Rock, such as sandstone or limestone, that contains pores and can hold water or oil.
    • Aquifers are often made of porous rock.
  • "porous material": Any substance with a structure that contains pores, like foam, certain ceramics, or bone.
    • Engineers use porous materials for filtration and insulation.
porous

The sponge is porous and absorbs water quickly.

Adjective
  1. allowing passage in and out
    • our unfenced and largely unpoliced border inevitably has been very porous
  2. full of pores or vessels or holes
  3. able to absorb fluids
    • the partly porous walls of our digestive system
    • compacting the soil to make it less porous

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