pyrolysis

noun
py·rol·y·sis | \pī-ˈrä-lə-səs \

Definition of pyrolysis 

: chemical change brought about by the action of heat

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Other Words from pyrolysis

pyrolytic \ˌpī-rə-ˈli-tik \ adjective
pyrolytically \ˌpī-rə-ˈli-ti-k(ə-)lē \ adverb

Examples of pyrolysis in a Sentence

Recent Examples on the Web

The question is: can the pyrolysis process be controlled well enough to generate all of these products? Chris Lee, Ars Technica, "Lumber’s lure: Thanks to physics, viable biofuel may grow in the woods," 5 Apr. 2018 To this end, pyrolysis is performed in the presence catalysts. Chris Lee, Ars Technica, "Lumber’s lure: Thanks to physics, viable biofuel may grow in the woods," 5 Apr. 2018 Pyrolysis is the chemical decomposition of organic materials through the application of heat. Martin Sturzenegger, USA TODAY, "Swiss startup crafts green toilets to turn human waste into fertilizer," 24 June 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'pyrolysis.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of pyrolysis

circa 1890, in the meaning defined above

History and Etymology for pyrolysis

New Latin

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Time Traveler for pyrolysis

The first known use of pyrolysis was circa 1890

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More Definitions for pyrolysis

pyrolysis

noun
py·rol·y·sis | \pī-ˈräl-ə-səs \
plural pyrolyses\-ˌsēz \

Medical Definition of pyrolysis 

: chemical change brought about by the action of heat

Other Words from pyrolysis

pyrolytic \ˌpī-rə-ˈlit-ik \ adjective

More from Merriam-Webster on pyrolysis

Britannica.com: Encyclopedia article about pyrolysis

Comments on pyrolysis

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