From Longman Dictionary of Contemporary Englishphosgenephos‧gene /ˈfɒzdʒiːn $ ˈfɑːz-/ noun [uncountable] HCCa poisonous gas used in war and in industry
Examples from the Corpus
phosgene• Anhydrous caustic soda, hydrogen gas and phosgene, all well established product areas, are being developed to produce maximum returns.• It was feared the burning Alloprene was producing phosgene gas, carbon tetrachloride and hydrochloric acid. 