penetrability

penetrability — noun

1. how easily a material or substance can be entered, passed through, or pierced by

1.名詞C1
釋義

how easily a material or substance can be entered, passed through, or pierced by a physical object, liquid, light, or other force.

例句

The soil's low penetrability made it impossible for rainwater to reach the plant roots.

low penetrability + soil (water permeability context)

Scientists measured the light penetrability of different fabrics to find the most breathable summer clothing.

penetrability + of + noun (light penetrability of fabrics)

同義詞
  • permeability

    More specific to fluids passing through porous materials; the standard term in geology and engineering

  • porosity

    Refers to the empty spaces within a material rather than the act of passing through; a related but distinct property

  • perviousness

    Very rare; mostly used in technical descriptions of road surfaces or drainage

反義詞
  • impenetrability

    The direct opposite — the quality of being impossible to pass through or enter

  • impermeability

    Opposite specifically for fluids; used for waterproof or water-resistant materials

  • resistance

    A broader term referring to the opposition a material offers to an external force or substance

文法句型

penetrability + of + noun

low/high penetrability

用法筆記

Mostly used in formal, academic, or technical writing (physics, geology, engineering). In everyday conversation, 'how easily something is penetrated' is more common.

常見錯誤

❌The penetrability of this shirt is high.
✅This shirt lets air through easily.
💡'Penetrability' sounds unnatural for everyday fabrics; use simpler words for casual contexts.
❌This rock has good penetrability.
✅This rock has high permeability.
💡For liquids passing through porous materials, 'permeability' is the more standard term in geology and engineering.