noun🔗SharePyrolyseThe decomposition of a material or compound due to heat, in the absence of oxygen or other reagents."The pyrolysis of the old wooden chair produced a smoky smell. "La pyrolyse de la vieille chaise en bois a produit une odeur de fumée.chemistryprocessmaterialsubstanceenergysciencetechnicalindustryChat with AIVocabulary GamePractice Reading