destructive distillation

English Thesaurus

1. heating a solid substance in a closed container and collecting the volatile products (noun.process)

hypernym	:	fractional process, fractionation,
definition	:	a process that uses heat to separate a substance into its components (noun.process)

hyponym	:	carbonisation, carbonization,
definition	:	the destructive distillation of coal (as in coke ovens) (noun.process)