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Webster's New World College Dictionary » PCV valve
PCV valve
PCV valve definition
PCV valve (pē′sē′vē′)
a one-way valve on a motor-vehicle engine for regulating a pollution control system that draws crankcase fumes into the cylinders for burning
Etymology: p(ositive) c(rankcase) v(entilation)
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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