water gas

English Thesaurus

1. a mixture of hydrogen and carbon monoxide with small amounts of other gases; made by blowing steam over hot coke or coal (noun.substance)

hypernym	:	fuel,
definition	:	a substance that can be consumed to produce energy (noun.substance)

hypernym	:	gas,
definition	:	a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely (noun.substance)