Ma'anar ƙamus na kalmar "destructive distillation" yana nufin tsarin dumama abu, yawanci wani abu mai ƙarfi kamar itace ko gawayi, idan babu iska ko iskar oxygen, wanda ke haifar da lalacewa da saki kayan da ba su da kyau kamar su. kamar gas, ruwa, ko m. Tsarin yawanci ya ƙunshi rushe hadaddun kwayoyin halitta zuwa sassa masu sauƙi, wanda ke haifar da samar da abubuwa iri-iri, kamar iskar gas kamar methane, carbon monoxide, da hydrogen, ruwaye kamar kwalta, da daskararru kamar gawayi. Ana amfani da wannan tsari wajen samar da kayayyaki iri-iri, da suka hada da man fetur, sinadarai, da sauran kayayyakin masana'antu.