出典:Wiktionary
出典:『Wiktionary』 (2025/10/02 22:56 UTC 版)
pyrolysis (countable and uncountable, plural pyrolyses)
出典:Wikipedia
出典:『Wikipedia』 (2011/08/04 12:23 UTC 版)
Pyrolysis is a thermochemical decomposition of organic material at elevated temperatures in the absence of oxygen. Pyrolysis typically occurs under pressure and at operating temperatures above 430 °C (800 °F). The word is coined from the Greek-derived elements pyr "fire" and lysis "separating".