lubricating substance

Thesaurus

Noun

1.

lubricating substance - a substance capable of reducing friction by making surfaces smooth or slipperylube, lubricant, lubricatorsubstance - a particular kind or species of matter with uniform properties; "shigella is one of the most toxic substances known to man"drilling fluid, drilling mud - a mixture of clays and chemicals and water; pumped down the drill pipe to lubricate and cool the drilling bit and to flush out the cuttings and to strengthen the sides of the holemotor oil - oil used to lubricate the moving parts of a motor