phosgene
/ˈfɒzdʒiːn/noun
mass noun
1- Chemistry a colourless poisonous gas made by the reaction of chlorine and carbon dioxide. It was used as a poison gas, notably in the First World War.光气。
1.1
- Alternative name: carbonyl chloride; chem. formula: COCl2.又名： 碳酰氯; 化学分子式： COCl2.
词源
early 19th cent.: from Greek phōs 'light' + -GEN, with reference to its original production by the action of sunlight on chlorine and carbon monoxide.