濾ろ水すい

noun

filtered water

Water that has been passed through a filter; used in contexts like water treatment, aquariums, or laboratory settings.

• この装そう置ちは濾ろ水すいを浄じょう化かして飲いん料りょう水すいにする。

  This device purifies filtered water into drinking water.

noun

drainage

Refers to the removal of water, often in civil engineering or agricultural contexts; less common than 排水.

• 大おお雨あめの後あと、濾ろ水すいシステムが機き能のうしなかった。

  After the heavy rain, the drainage system didn't work.