滲しん入にゅう

noun, noun or participle which takes 'suru'

permeation; infiltration; seepage

Technical term for a liquid or gas gradually penetrating into a solid or porous material. Often used in scientific, engineering, or medical contexts.

• 雨あま水みずがコンクリートに滲しん入にゅうして、ひび割われの原げん因いんになる。

  Rainwater permeates into the concrete, causing cracks.

• この薬やく剤ざいは皮ひ膚ふから滲しん入にゅうしやすい。

  This medication easily permeates through the skin.