py·rol·y·sis

[pahy-rol-uh-sis]
noun Chemistry.
1.
the subjection of organic compounds to very high temperatures.
2.
the resulting decomposition.

Origin:
1885–90; pyro- + -lysis

py·ro·lyt·ic [pahy-ruh-lit-ik] , adjective
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Collins
World English Dictionary
pyrolysis (paɪˈrɒlɪsɪs) [Click for IPA pronunciation guide]
 
n
1.  the application of heat to chemical compounds in order to cause decomposition
2.  chemical decomposition of compounds caused by high temperatures
 
pyrolytic
 
adj

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00:10
Pyrolysis is always a great word to know.
So is slumgullion. Does it mean:
a stew of meat, vegetables, potatoes, etc.
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
American Heritage
Medical Dictionary

pyrolysis py·rol·y·sis (pī-rŏl'ĭ-sĭs)
n.
Decomposition or transformation of a chemical compound caused by heat.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences
Comparison of the calorific nature of slow pyrolysis and hydrothermal carbonization of cellulose.
Garbage is an excellent feedstock for pyrolysis that has so far been wasted.
The pyrolysis gases contain energy, valuable extractives and simple pathways to fuel.
The technique is cheap and the pyrolysis units are available.
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