D defs.my
Entry 1 sense Webster, 1913

Thermolysis

/(thẽr"mŏl"ĭ*sĭs)/ · Ther·mol·y·sis · IPA
01 n. The resolution of a compound into parts by heat; dissociation by heat.
  1. 1.
    The resolution of a compound into parts by heat; dissociation by heat.(Chem.)