Definition of Sludge

1. Noun. The precipitate produced by sewage treatment.

Generic synonyms: Precipitate

2. Noun. Any thick, viscous matter.
Exact synonyms: Goo, Gook, Goop, Guck, Gunk, Muck, Ooze, Slime
Generic synonyms: Matter
Specialized synonyms: Sapropel
Derivative terms: Gooey, Muck, Muck, Mucky, Slime, Slimy

Definition of Sludge

1. n. Mud; mire; soft mud; slush.

2. n. Anything resembling mud or slush; as: (a) A muddy or slimy deposit from sweage. (b) Mud from a drill hole in boring. (c) Muddy sediment in a steam boiler. (d) Settling of cottonseed oil, used in making soap, etc. (e) A residuum of crude paraffin-oil distillation.

Definition of Sludge

1. Initialism. (emergency medicine) salivation, lacrimation, urination, defecation, GI upset, emesis used to identify the reasons a patient may be experiencing organophosphate poisoning. ¹

2. Noun. A generic term for solids separated from suspension in a liquid. ¹

3. Noun. A residual semi-solid material left from industrial, water treatment, or wastewater treatment processes. ¹

4. Noun. A sediment of accumulated minerals in a steam boiler. ¹

5. Noun. A mass of small pieces of ice on the surface of a body of water. ¹

6. Verb. (intransitive informal) to slump or slouch. ¹

7. Verb. (intransitive) to slop or drip slowly. ¹

¹ Source: wiktionary.com

Definition of Sludge

1. to form sludge (a muddy mass or sediment) [v SLUDGED, SLUDGING, SLUDGES]

Medical Definition of Sludge

1. 1. Mud; mire; soft mud; slush. 2. Small floating pieces of ice, or masses of saturated snow. 3. See Slime. Sludge hole, the hand-hole, or manhole, in a steam boiler, by means of which sediment can be removed. Origin: CF. Slush. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Sludge

slubber
slubberdegullion
slubberdegullions
slubbered
slubbering
slubberingly
slubbers
slubbier
slubbiest
slubbing
slubbings
slubbs
slubby
slubs
slud
sludge metal
sludgecore
sludged
sludged blood
sludgelike
sludges
sludgier
sludgiest
sludgily
sludging
sludgy
slue
slued
slueing

Literary usage of Sludge

Below you will find example usage of this term as found in modern and/or classical literature:

1. Sewerage and Sewage Treatment by Harold Eaton Babbitt (1922)
"CHAPTER XVIII ACTIVATED sludge 266. The Process.—In the treatment of sewage by the activated sludge process the sewage enters an aeration tank after it has ..."

2. The Engineering Index Annual for by American Society of Mechanical Engineers (1918)
"Reports from Manchester and Sheffield, Eng. Activated-sludge Results at ... Activated sludge Process of Sewage Disposal Firmly Established (75775). ..."

3. Sewerage and Sewage Disposal: A Textbook by Leonard Metcalf, Harrison Prescott Eddy (1922)
"If the scum becomes too voluminous, even after stirring the sludge with jets of water, it may be removed to the sludge beds, although some operators prefer ..."

4. Handbook of Building Construction: Data for Architects, Designing and by Nathan Clarke Johnson, George Albert Hool (1920)
"The design consists of a sedimentation tank superimposed on a septic tank for the digestion of the sludge. The flow takes place only through the upper tank ..."

5. Sewage Disposal by Leonard Parker Kinnicutt (1919)
"Though air-dried sludge can be spaded, the drying requires, ... The method commonly used is known as sludge pressing, although recently plants have been ..."

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