methanal

English Thesaurus

1. a colorless poisonous gas; made by the oxidation of methanol (noun.substance)

hypernym	:	aldehyde,
definition	:	any of a class of highly reactive chemical compounds; used in making resins and dyes and organic acids (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)