sludge
/slʌdʒ/
noun
- Thick, soft, wet mud or a similar messy mixture, often found on the ground or at the bottom of a liquid.
- After the rain, the path turned into thick brown sludge.
- He scraped the sludge off his boots before entering the house.
- The bottom of the pond was covered in black sludge.
- A thick, semi-solid waste material produced by industrial processes or sewage treatment.
- The factory disposed of chemical sludge in a special facility.
- The environmental team tested the sludge for harmful toxins.
- Wastewater treatment plants separate sludge from clean water.
- A thick, messy substance, such as half-melted snow or dirty oil, that is unpleasant to deal with.
- The streets were covered in gray sludge from the melting snow.
- She poured the greasy sludge from the frying pan into the trash.
- The mechanic drained the old engine sludge from the car.