pyrolysis

pyrolysis
Decomposition of a substance by heat. [pyro- + G. lysis, dissolution]

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py·rol·y·sis pī-'räl-ə-səs n, pl -y·ses -.sēz chemical change brought about by the action of heat
py·ro·lyt·ic .pī-rə-'lit-ik adj

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py·rol·y·sis (pi-rolґĭ-sis) [pyro- + -lysis] decomposition of organic substances under the influence of a rise in temperature.

Medical dictionary. 2011.

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