coolant Hear it!

coolant definition

cool·ant (ko̵̅o̅l′ənt)

noun

a substance, usually a fluid, used to remove heat, as from a nuclear reactor, an internal-combustion engine, molten metal, etc.

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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