n.
Function: noun
Etymology: earlier sleck, probably from Middle Dutch slacke, slecke slag
Date: 1729
: the finest screenings of coal produced at a mine unusable as fuel unless cleaned
n.
Function: noun
Etymology: earlier sleck, probably from Middle Dutch slacke, slecke slag
Date: 1729
: the finest screenings of coal produced at a mine unusable as fuel unless cleaned
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012