pyrolysis

[ pahy-rol-uh-sis ]
/ paɪˈrɒl ə sɪs /

noun Chemistry.

the subjection of organic compounds to very high temperatures.
the resulting decomposition.

Origin of pyrolysis

First recorded in 1885–90; pyro- + -lysis

Related forms

py·ro·lyt·ic [pahy-ruh-lit-ik] /ˌpaɪ rəˈlɪt ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for pyrolysis

pyrolysis

/ (paɪˈrɒlɪsɪs) /

noun

the application of heat to chemical compounds in order to cause decomposition
chemical decomposition of compounds caused by high temperatures

Derived Forms

pyrolytic (ˌpaɪrəʊˈlɪtɪk), adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for pyrolysis

pyrolysis

[ pī-rŏlĭ-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.