permeability
permeability — 名詞
1. the degree to which a material lets water, air, or other fluids pass through its
滲透性
材質讓水或空氣穿透的程度
the degree to which a material lets water, air, or other fluids pass through its surface or inner structure
The soil's high permeability meant the garden dried out after every rainstorm.
土壤滲透性高，因此每次暴雨後花園都很快乾了。
high + permeability collocation
Noor checked the fabric's permeability before buying it for her rain jacket.
Noor 在購買雨衣布料前，先測試了布料的滲透性。
permeability of fabric/material context
Low permeability in the clay layer kept the pond full all summer long.
黏土層的低滲透性讓池塘整個夏天都保持滿水。
Builders test the permeability of concrete to stop water from leaking inside.
建築工人會測試混凝土的滲透性，防止水滲漏進室內。
Adding more sand increased the soil's permeability and helped the roots breathe.
加入更多沙子提高了土壤的滲透性，幫助根部呼吸。
- porosity
refers to the amount of empty space inside a material, not how connected those spaces are
- penetrability
emphasises being pierced or entered from the outside, less common in everyday use
- perviousness
a rare, formal synonym mostly found in older scientific writing
- impermeability
the quality of not letting any fluid pass through at all
- imperviousness
complete resistance to being penetrated by fluids
文法句型
permeability of + noun
high/low + permeability
用法筆記
Used mainly in scientific and technical fields such as geology, materials science, and biology. In everyday conversation, speakers are more likely to say 'how easily water passes through' or 'how porous something is.'