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Sludge Meaning in English

word

ˈsɫədʒ
SLUHJ
slˈʌdʒ
SLUJ

Definition

Thick, soft, wet mud or a messy, semi-solid substance, especially the waste material from factories, water treatment, or engines.

Usage & Nuances

Used mainly in technical, industrial, or environmental contexts. Common collocations: 'sewage sludge', 'oil sludge', 'thick sludge'. Refers to waste, not just natural mud. Often has a negative or dirty connotation.

Example Sentences

The machine was covered in thick sludge.

basic

Sewage treatment plants produce a lot of sludge.

basic

Oil sludge can harm the environment.

basic

The bottom of the river was full of dark sludge.

natural

After years of use, the pipe was clogged with sludge.

natural

My boots got stuck in the sludge by the construction site.

natural