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cetane number definition

cetane number

a number that increases with higher quality, representing the ignition properties of diesel engine fuel oils: it is determined by the percentage of cetane that must be mixed with a standard liquid to match the fuel oil's performance in a standard test engine

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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