sludge

play
noun \ˈsləj\

Definition of sludge

  1. 1 :  mud, mire; especially :  a muddy deposit (as on a riverbed) :  ooze

  2. 2 :  a muddy or slushy mass, deposit, or sediment: asa :  precipitated solid matter produced by water and sewage treatment processesb :  muddy sediment in a steam boilerc :  a precipitate or settling (as a mixture of impurities and acid) from a mineral oil

  3. 3 :  slush 5

sludgy

play \ˈslə-jē\ adjective

Examples of sludge in a sentence

  1. <after a day of heavy rain, the fairgrounds had turned into pure sludge>

  2. <I can't bring myself to read that sludge.>

Origin and Etymology of sludge

Middle English slugge, perhaps alteration of slicche mud, slush; akin to Old High German slīh mire


First Known Use: 15th century


SLUDGE Defined for English Language Learners

sludge

play
noun \ˈsləj\

Definition of sludge for English Language Learners

  • : thick, soft, wet mud

  • : a soft, thick material that is produced in various industrial processes (such as in the treatment of sewage)

  • : a thick material that can form in the oil in an engine and cause engine problems


SLUDGE Defined for Kids

sludge

play
noun \ˈsləj\

Definition of sludge for Students

  1. :  a soft muddy mass resulting from sewage treatment


Medical Dictionary

1

sludge

play
noun \ˈsləj\

Medical Definition of sludge

  1. :  a semisolid precipitated mass or deposit <biliary sludge>; especially :  sludged blood


2

sludge

intransitive verb

Medical Definition of sludge

sludged

;

sludging

  1. :  to form sludge <positions that cause blood to sludge—L. K. Altman>



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