transcription, транскрипция: [ ˈsləj ]
noun
Etymology: Middle English slugge, perhaps alteration of slicche mud, slush; akin to Old High German slīh mire
Date: 15th century
1. : mud , mire ; especially : a muddy deposit (as on a riverbed) : ooze
2. : a muddy or slushy mass, deposit, or sediment: as
a. : precipitated solid matter produced by water and sewage treatment processes
b. : muddy sediment in a steam boiler
c. : a precipitate or settling (as a mixture of impurities and acid) from a mineral oil
3. : slush 5
• sludgy ˈslə-jē adjective