汚泥(おでい)

おでい
noun
sludge; muck; sediment
1. sludge; muck; muddy sediment
Thick, muddy waste material, especially the sediment that accumulates in sewage treatment plants, rivers, or industrial processes. Also used for contaminated mud from disasters.
汚泥(おでい)を処理(しょり)する。
To process sludge.
下水(げすい)処理場(しょりじょう)で大量(たいりょう)の汚泥(おでい)が発生(はっせい)する。
A large amount of sludge is produced at the sewage treatment plant.
洪水(こうずい)の後(あと)、道路(どうろ)に堆積(たいせき)した汚泥(おでい)の撤去(てっきょ)作業(さぎょう)が続(つづ)いている。
After the flood, work to remove the sludge deposited on the roads continues.

Composed of 汚(お) (dirty, polluted) and 泥(でい) (mud). A technical term commonly found in environmental, civil engineering, and disaster-related contexts.

COMMON COLLOCATIONS:

  • 汚泥(おでい)の処理(しょり) (sludge treatment)
  • 汚泥(おでい)を除去(じょきょ)する (to remove sludge)
  • 汚泥(おでい)の撤去(てっきょ) (sludge removal)
  • 下水(げすい)汚泥(おでい) (sewage sludge)

SIMILAR WORDS:

  • 汚泥(おでい): sludge (technical, environmental)
  • 泥(どろ): mud (everyday)
  • ヘドロ(へどろ): slimy sediment, ooze (colloquial, often foul-smelling)
general
Added 2026.3.7 20:21
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