noun
: a gas having an extremely unpleasant odor and having the structure of a ketene O . C . C . C . O prepared by pyrolysis of biacetyl-tartaric anhydride or by dehydration of malonic acid
noun
: a gas having an extremely unpleasant odor and having the structure of a ketene O . C . C . C . O prepared by pyrolysis of biacetyl-tartaric anhydride or by dehydration of malonic acid
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012