English Dictionary

sludge

/slʌd͡ʒ/

noun

Solids separated from suspension in a liquid. / A residual semi-solid material left from industrial, water treatment, or wastewater treatment processes.

The wastewater treatment plant uses a centrifuge to separate sludge from the liquid.

意味（1）

Solids separated from suspension in a liquid.

Floods in northern India, mostly in the small state of Uttarakhand, have wrought disaster on an enormous scale.[…]Rock-filled torrents smashed vehicles and homes, burying victims under rubble and sludge.

意味（2）

A residual semi-solid material left from industrial, water treatment, or wastewater treatment processes.

意味（3）

A sediment of accumulated minerals in a steam boiler.

意味（4）

A mass of small pieces of ice on the surface of a body of water.

意味（5）

(uncountable, music) sludge metal