| 单词 | phosgene |
| 释义 | Word Frequency phosgene(ˈfɒzdʒiːn) noun a colourless easily liquefied poisonous gas, carbonyl chloride, with an odour resembling that of new-mown hay: used in chemical warfare as a lethal choking agent and in the manufacture of pesticides, dyes, and polyurethane resins. Formula: COCl2 Word origin C19: from Greek phōs light + -gene, variant of -gen |
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