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Meaning of lubricant

lu•bri•cant

Pronunciation: (l'bri-kunt), [key]
— n.
  1. a substance, as oil or grease, for lessening friction, esp. in the working parts of a mechanism.
—adj.
  1. capable of lubricating; used to lubricate.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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