pyrolysis

[ pahy-rol-uh-sis ]
/ paɪˈrɒl ə sɪs /

noun Chemistry.

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

QUIZZES

THINK YOU’VE GOT A HANDLE ON THIS US STATE NICKNAME QUIZ?

Did you ever collect all those state quarters? Put them to good use on this quiz about curious state monikers and the facts around them.
Question 1 of 8
Mississippi’s nickname comes from the magnificent trees that grow there. What is it?

Origin of pyrolysis

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

OTHER WORDS FROM pyrolysis

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. 2020

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 of pyrolysis

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

Medical 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.