lubricant Hear it!

lubricant definition

lu·bri·cant (lo̵̅o̅′bri kənt)

adjective

reducing friction by providing a smooth film as a covering over parts that move against each other; lubricating

Etymology: L lubricans, prp.: see lubricate

noun

a substance for reducing friction in this way, as oil or grease

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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