释义 
		[ sluhj ] SHOW IPA 
/ slʌdʒ / PHONETIC RESPELLING 
SEE SYNONYMS FOR sludge  ON THESAURUS.COM
noun mud, mire, or ooze; slush. 
a deposit of ooze at the bottom of a body of water. 
any of various more or less mudlike deposits or mixtures. 
the sediment in a steam boiler or water tank. 
broken ice, as on the sea. 
a mixture of some finely powdered substance and water. 
sediment deposited during the treatment of sewage. 
Also called activated sludge.  Bacteriology .  sewage sediment that contains a heavy growth of microorganisms, resulting from vigorous aeration. 
a fine, mudlike powder produced by a mining drill. 
SEE MORE SEE LESS Origin of sludge  First recorded in 1640–50; variant of dialectal slutch, slitch, Middle English slich  “slime, wet mud” (compare its derivative slucched  “muddy”); apparently of expressive origin
OTHER WORDS FROM sludge de-sludge,  verb (used with object),  de-sludged,  de-sludg·ing. Words nearby sludge  SLR, SLSC, slub, slubber, slubberdegullion, sludge , sludgeworm, sludging, sludgy, slue, sluff
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for sludge Forensic tests showed the birds died after becoming coated in sludge , Hubbard said.
Two Texas Regulators Tried to Enforce the Rules. They Were Fired. | David Hasemyer, InsideClimate News| December 9, 2014| DAILY BEAST
Rain had fallen heavily overnight and the streets were caked in sludge .
Inside a Russian-Occupied Police Station in Ukraine | David Patrikarakos| April 13, 2014| DAILY BEAST
The sludge  was sent by rail and spread around on a defunct resort ranch near Sierra Blanca.
U.S. Drug and Immigration Checkpoints Take Toll on Border Towns | Andrew Becker, G. W. Schulz| June 18, 2013| DAILY BEAST
In 1992 the EPA removed 97,000 tons of liquid waste, and 60 tons of sludge  from the site.
Our Most Polluted States | The Daily Beast| May 19, 2010| DAILY BEAST
One who has noticed it in the Teviot says, that the inhabitants there call it "sludge ."
Notes and Queries, Vol. V, Number 129, April 17, 1852 | Various
Sludge  testifies to his religion even after he has lost his dignity and his honour.
Robert Browning | G. K. Chesterton
Appliances are made for this purpose, by which the sludge  is pressed to a consistency of about 50 per cent.
Scientific American Supplement, No. 467, December 13, 1884 | Various
In the mean time, Rust and Sludge  became exceedingly sociable.
The Knickerbocker, Vol. 22, No. 1, July 1843 | Various
When the sludge  is discharged water is added through M to the proper level.
Acetylene, The Principles Of Its Generation And Use | F. H. Leeds
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British Dictionary definitions for  sludge noun soft mud, snow, etc 
any deposit or sediment 
a surface layer of ice that has a slushy appearance 
(in sewage disposal) the solid constituents of sewage that precipitate during treatment and are removed for subsequent purification 
Word Origin for sludge C17: probably related to slush 
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Words related to sludge goo, grease, silt, slime, muck, sediment, gunk, oil, slop, mire, ooze, scum, glop, goop