排水(はいすい)

はいすい
noun, verb (suru)
drainage, draining
1. drainage, draining, wastewater discharge
The process of removing water from a place, or the water that is discharged or drained away.
排水(はいすい)口(こう)が詰(つ)まっている。
The drain is clogged.
大雨(おおあめ)のとき、排水(はいすい)が追(お)いつかなかった。
During the heavy rain, the drainage couldn't keep up.
工場(こうじょう)からの排水(はいすい)が川(かわ)を汚染(おせん)している可能性(かのうせい)がある。
There is a possibility that wastewater from the factory is polluting the river.

USAGE:
排水(はいすい) can refer to both the act of draining water and the drained water itself. It is used in everyday contexts (household plumbing) as well as environmental and industrial contexts.

COMMON COLLOCATIONS:

  • 排水(はいすい)口(こう) (drain outlet, drain hole)
  • 排水(はいすい)管(かん) (drainage pipe)
  • 排水(はいすい)溝(こう) (drainage ditch/gutter)
  • 排水(はいすい)処理(しょり) (wastewater treatment)
  • 排水(はいすい)基準(きじゅん) (wastewater standards)

RELATED TERMS:

  • 給水(きゅうすい) (water supply — the opposite process)
  • 下水(げすい) (sewage, sewerage)
  • 排水(はいすい)トラップ (drain trap — the U-shaped pipe under sinks)
general
Added 2026.2.13 21:41
11000/11104_haisui