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Longman Dictionary of Contemporary English
sludge
noun
COLLOCATIONS FROM CORPUS
■ NOUN
sewage
▪ Material suitable for deep sea dumping included sewage sludge, industrial waste, and toxic ashes left after the incineration of garbage.
▪ Fully-digested sewage sludge is also used, with considerable success.
▪ So within the supermarkets' own quality assurance schemes, sewage sludge is likely to be ruled out.
▪ Given the power of the supermarkets, the widespread use of sewage sludge as fertiliser looks unlikely.
▪ Listeria occurs in large amounts in the sewage sludge which is spread on farmland.
▪ From 1942 to 1961, two consecutive fields were treated variously with farmyard manure, fertilizers and sewage sludge.
▪ Over a quarter of Britain's 3.5 million wet tonnes of sewage sludge is dumped at sea.
▪ The Clivus Multrum had been charged with a mixture of softwood shavings and activated sewage sludge supplied by Southern Water.
EXAMPLES FROM CORPUS
▪ A considerable amount of sludge comes from lime-soda-softening, the amount increasing with the hardness of the water.
▪ For instance, he interfered with the hauling of sludge, causing sludge to back up at the plant, they said.
▪ Fully-digested sewage sludge is also used, with considerable success.
▪ H., once handed out bricks of dried sludge to City Council members at a budget meeting.
▪ Incinerating sludge costs £9 a tonne and land disposal £3 a tonne.
▪ Sewage sludge and industrial waste will still enter the North Sea from Britain until 1998.
▪ The sludge in the Cuisinart fills the condo with smells I remember from nature trails of my childhood.
▪ The resultant sludge is washed with twice its weight of water and then filtered.
The Collaborative International Dictionary
Sludge

Sludge \Sludge\, n. [CF. Slush.]

  1. Mud; mire; soft mud; slush.
    --Mortimer. Tennyson.

  2. Small floating pieces of ice, or masses of saturated snow.
    --Kane.

  3. (Mining) See Slime,

  4. 4. Anything resembling mud or slush; as:

    1. A muddy or slimy deposit from sweage.

    2. Mud from a drill hole in boring.

    3. Muddy sediment in a steam boiler.

    4. Settling of cottonseed oil, used in making soap, etc.

    5. A residuum of crude paraffin-oil distillation.

      Sludge hole, the hand-hole, or manhole, in a steam boiler, by means of which sediment can be removed.

Douglas Harper's Etymology Dictionary
sludge

"mud, mire, ooze," 1640s, of uncertain origin, possibly a variant of Middle English slutch "mud, mire," or a variant of slush (n.).

Wiktionary
sludge

n. A generic term for solid separated from suspension in a liquid. vb. 1 (context intransitive informal English) to slump or slouch. 2 (context intransitive English) to slop or drip slowly.

WordNet
sludge
  1. n. the precipitate produced by sewage treatment

  2. any thick messy substance [syn: slime, goo, gook, guck, gunk, muck, ooze]

Wikipedia
Sludge (Transformers)

Sludge is a fictional character in the Transformers franchise. Sludge is a slow witted but powerful Dinobot. Sludge's strength is considered to be second only to Grimlock's in the Dinobot faction. Sludge also has the great power to shake the ground violently and make huge tremors when stomping around in his Brontosaurus mode, which is a good weapon for shaking up Decepticons. Sludge also was seen at times to shoot laser beams from his eyes and an energy weapon from his mouth. Sludge's biggest weakness is his belief that the strongest Autobot should lead and not necessarily the smartest. Another weakness of Sludge's is that he is depicted as being mentally slow. He joined the Autobots in the cartoon and comics in their first year, but didn't have a toy until 1985. The other members of the Dinobots are Slag, Snarl, Swoop, and their leader, Grimlock.

Sludge (comics)

Sludge is a comic book series from Malibu Comics, set in the Ultraverse. It was created by Steve Gerber, Gary Martin and Aaron Lopresti. Sludge ran for only twelve issues, with one special: Sludge: Red X-Mas. A second special, Sludge: Swamp of Souls, was planned but never completed.

Sludge

Sludge is a semi-solid slurry and can be produced as sewage sludge from wastewater treatment processes or as a settled suspension obtained from conventional drinking water treatment and numerous other industrial processes. The term is also sometimes used as a generic term for solids separated from suspension in a liquid; this 'soupy' material usually contains significant quantities of 'interstitial' water (between the solid particles).

Industrial wastewater solids are also referred to as sludge, whether generated from biological or physical-chemical processes. Surface water plants also generate sludge made up of solids removed from the raw water.

Sludge (disambiguation)

Sludge may refer to:

  • Sludge, a generic term for solids separated from suspension in a liquid
  • Sewage sludge
  • Biliary sludge
  • Sludge incineration
  • Oil sludge, a solid or gel in motor oil caused by the oil gelling or solidifying
  • Sludge metal, a fusion genre between doom metal and hardcore punk
  • Sludge (comics), an Ultraverse comic book
  • Sludge (Transformers), a fictional Dinobot Transformer
  • Sludge (film), a 2005 documentary film by Appalshop filmmaker Robert Salyer
  • SLUDGE syndrome, a medical acronym describing the symptoms of overdose or poisoning of certain drugs and pesticides
Sludge (film)

Sludge is a 2005 documentary film by Appalshop filmmaker Robert Salyer chronicling the Martin County Sludge Spill that was an accident that occurred after midnight on October 11, 2000 when a coal sludge impoundment in Martin County, Kentucky, broke through an underground mine below, propelling 306 million gallons of sludge down two tributaries of the Tug Fork River. The movie documents the continuing story of the Martin County disaster, the resulting federal investigation, and the looming threat of coal sludge ponds throughout the coalfield region.

In the United States today, coal is the largest single source of fuel for energy production. Annually, the country mines over a billion tons of coal. Coal waste is a consequence of this consumption; the Mine Safety and Health Administration has estimated that there are over 235 sludge ponds throughout the region with the potential to break into an underground mine, as the Martin County pond did in 2000.

In the wake of the December 2008 release of coal ash at a Tennessee Valley Authority power plant, Appalshop provided a web stream of Sludge for the public 1 for a limited time.

Usage examples of "sludge".

I understood, would consist of engineered microbes, their genetic material spliced together from bacteria discovered inside rocks in the dry valleys of Antarctica, from anaerobes capable of surviving in the outflow pipes of nuclear reactors, from unicells recovered from the icy sludge at the bottom of the Barents Sea.

No grease is ever allowed to foul the gasoline, no sludge to find its way into the carb, no bolt to loosen on the driveshaft.

One of the damned, like a hideous mogra, a creature spawned from the sludge of the Black Swamp.

Mom had even put child codes on all the household AutoChefs so the only thing Nixie or her brother, Coyle, could program was health sludge.

Sludge turned out to be a real two-faced skeeze, a weasely whiner who had acted nice enough when it was just the three of us in the green room but shouted and interrupted and made misstatements of facts as soon as we were on the air.

But Isaac had been nowhere in sight and there was no way Brooke could begin the day without molten sludge oozing through her veins, waking her up.

So when Sherkaner slopped exotherm sludge into the airsnow, there was a burst of vapor, and then a tiny glow that faded as the still-liquid droplet sank and cooled.

She is layered with the finest of mathematicians and imprimaturs and phantasts, as well as the sludge of autists, exemplars, and Yarkona slel-neckers.

A shaft of sun from between the willow branches pierced a pool below her and she could see a long, speckled trout resting in its warmth and puffs of sediment as a powter moved along the sludge of the river bottom.

It would have buried all the grass and coated every leaf and turned the water into an undrinkable gray sludge.

Apparently the sulfur bacteria had overgrown the backflow sludge, and coupled with the fungal contamination from the downstream scrubbers created a disgusting mix of smells.

Nostrilamus, the once autocratic Malefica of Caledon, wheezed like an old woman as he peered into the muddy pit in which his men stood, knee-deep in icy sludge, picking fitfully at the walls of mud that rose above their heads, their rusty shovels hardly equal to the task.

Sludge or peanut-butter sandwiches with reconstituted dry milk are nutritionally complete, I cannot prove.

Alternatively, if the hole was stuck in the closed position, the grounds became a tidal wave of sludge that poured over the top, flooding the counter.

He seized one of the damp rifles which had not fired, scooped the wet sludge from its pan, and loaded it with dry powder from his horn.