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sludge
Use
Sludge
in a sentence
sludge
/
slʌdʒ
/
Show Spelled
[
sluhj
]
Show IPA
noun
1.
mud, mire, or ooze; slush.
2.
a deposit of ooze at the bottom of a body of water.
3.
any of various more or less mudlike deposits or mixtures.
4.
the sediment in a steam boiler or water tank.
5.
broken ice, as on the sea.
6.
a
mixture
of some finely powdered substance and water.
7.
sediment deposited during the treatment of sewage.
8.
Also called
activated sludge.
Bacteriology
.
sewage sediment that contains a heavy growth of microorganisms, resulting from vigorous aeration.
9.
a fine, mudlike powder produced by a mining drill.
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Origin:
1640–50;
variant of dial.
slutch, slitch,
Middle English
slich
slime, wet mud (compare its derivative
slucched
muddy); apparently of expressive orig.
Related forms
de-sludge,
verb (used with object),
de-sludged,
de-sludg·ing.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source
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sludge
00:10
Sludge
is always a great word to know.
So is
zedonk
. Does it mean:
So is
bezoar
. Does it mean:
So is
ninnyhammer
. Does it mean:
a gadget; dingus; thingumbob.
the offspring of a zebra and a donkey.
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
a scrap or morsel of food left at a meal.
the offspring of a zebra and a donkey.
a fool or simpleton; ninny.
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Collins
World English Dictionary
sludge
(slʌdʒ)
—
n
1.
soft mud, snow, etc
2.
any deposit or sediment
3.
a surface layer of ice that has a slushy appearance
4.
(in sewage disposal) the solid constituents of sewage that precipitate during treatment and are removed for subsequent purification
[C17: probably related to
slush
]
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Etymonline
Word Origin & History
sludge
1649, possibly from M.E. slutch "mud, mire," or a variant of slush.
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
Example sentences
The anti-foaming additive breaks down and you start to get water mixing with
the oil and making
sludge
.
Finally, some organic fertilizers contain sewage
sludge
, leftover from
wastewater treatment plants.
Sludge
landfills proposed as part of a private wastewater treatment facility
plans undergo a comparable review procedure.
Blood begins to
sludge
, and no-blood-flow regions spring up all over the body.
From there, they can wash down drains, ultimately ending up in the sewage
sludge
of wastewater treatment plants.
The rudimentary techniques left behind toxic
sludge
, air and water.
It is a thick brown
sludge
, gritty and triggering an immediate gag reflex.
They are developing a technique that employs ultrasound, rather than pumps, to break up the
sludge
.
Raw sewage
sludge
is a liquid heavy with suspended solids that have been separated out of sewage during the treatment process.
Even in a beaker, bacteria in ocean bottom
sludge
survive by sharing.
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Related Words
activated sludge
sludgeworm
grunge
ooze
ooze
slob
slob ice
MORE
Image for sludge
Matching Quote
"The river of
sludge
will go on and on. It isn't about me."
-Jacqueline Kennedy Onassis
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Synonyms
sediment
scum
ooze
mire
MORE
Synonym Game
mire
ooze
sediment
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Related Questions
What is gallbladder sludge?
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