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Webster's New World College Dictionary » lubricant
lubricant
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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