pyrolysis Hear it!

pyrolysis definition

py·roly·sis (pī räl′ə sis)

noun

chemical decomposition of a substance by heat

Etymology: ModL: see pyro- & -lysis

Related Forms:

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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