A liquid that has been percolated.
To pass a liquid through a porous substance; to filter.
To make (coffee) in a percolator.
To drain or seep through a porous substance.
To spread slowly or gradually; to slowly become noticed or realised.
Solids separated from suspension in a liquid.
A residual semi-solid material left from industrial, water treatment, or wastewater treatment processes.
A mass of small pieces of ice on the surface of a body of water.
sludge metal
A sediment of accumulated minerals in a steam boiler.
To slop or drip slowly.
To slump or slouch.