I. ˈsləj noun
( -s )
Etymology: probably alteration of slush (I)
1. : mud , mire ; especially : a muddy deposit (as on tideland or river bed) : ooze
2. : a muddy or slushy mass, deposit, or sediment: as
a. : the precipitated solid matter produced by water and sewage treatment processes
b. : mud from a drill hole in boring
c. : muddy sediment in a steam boiler
d.
(1) : slime 2d
(2) : waste from a coal washery
e. : a precipitate or settling from oils ; especially : one (as a mixture of impurities and acid) from mineral oils (as petroleum refined by sulfuric acid or oxidized in automotive engine lubrication or transformer cooling)
3. : new sea ice forming in thin detached crystals : slob
4. : a clump of agglutinated red blood cells ; specifically : sludged blood
II. verb
( -ed/-ing/-s )
transitive verb
1.
a. : to convert into sludge
b. : to fill in with sludge
c. : to clear of sludge
2. : to form a sludge of (red blood cells) in small blood vessels
intransitive verb
: to form sludge