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Word: sludge (lookup usage) (lookup stats)


Meaning:

Noun:

  • A generic term for solids separated from suspension in a liquid.
  • A mass of small pieces of ice on the surface of a body of water.
  • A residual semi-solid material left from industrial, water treatment, or wastewater treatment processes.
  • A sediment of accumulated minerals in a steam boiler.

Source: Wiktionary | Src Info »