Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun drilling_mud

1 sense of drilling mud

Sense 1
drilling mud, drilling fluid -- (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)
       => lubricant, lubricator, lubricating substance, lube -- (a substance capable of reducing friction by making surfaces smooth or slippery)