lubricator

Noun
  1. A substance capable of reducing friction by making surfaces smooth or slippery (synset 114914810)
    is a type of: substance - a particular kind or species of matter with uniform properties
    subtypes:
    • 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 hole
    • motor oil - oil used to lubricate the moving parts of a motor
    same as: lube, lubricant, lubricating substance

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