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pyrolysis

American  
[pahy-rol-uh-sis] / paɪˈrɒl ə sɪs /

noun

Chemistry.
  1. the subjection of organic compounds to very high temperatures.

  2. the resulting decomposition.


pyrolysis British  
/ ˌpaɪrəʊˈlɪtɪk, paɪˈrɒlɪsɪs /

noun

  1. the application of heat to chemical compounds in order to cause decomposition

  2. chemical decomposition of compounds caused by high temperatures

"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

Other Word Forms

  • pyrolytic adjective

Etymology

Origin of pyrolysis

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Plastic Energy, meanwhile, is successfully converting plastic waste into pyrolysis oil that can be used to make food and medical grade plastic.

From BBC

It acknowledged for the first time that it's "highly likely" that a proportion of tyres from the UK are diverted to illegal pyrolysis as opposed to being recycled.

From BBC

UK tyres are ending up in these Indian pyrolysis plants, despite legitimate official paperwork stating they are headed for legal Indian recycling centres.

From BBC

While others in the field have attempted to break tire materials down using high heat, through a process known as pyrolysis, 6PPD is stubborn and the diketone molecules remain in the oil left behind.

From Science Daily

ProPublica explored the most popular form of chemical recycling, pyrolysis; we found it is so inefficient that it yields products with almost no actual recycled content.

From Salon