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pyrogallol
pyrogen
pyrogenic
pyrography
pyroligneous acid
pyrolusite
pyrolysate
pyrolyse
pyrolysis
pyrolyze
pyromancy
pyromania
pyrometallurgy
pyrometer
pyromorphite
pyrone
pyronine
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pyrolysis
py·rol·y·sis [ pī rólləssiss ]


noun 
Definition:
 
decomposition of complex molecules by heat: the use of heat to break down complex chemical substances into simpler substances

py·ro·lyt·ic [ prə líttik ] adjective
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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