汚泥(おでい)

おでい
noun
sludge; muck; sediment
formaltechnicalnature
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

Similar words

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

Related Words

Compare: 泥(どろ) (mud (everyday))
general
Added 2026.3.7 20:21 · Revised 2026.9.2 13:01
15500/15578_odei