'carbonyl choride' definitions:
Definition of 'carbonyl choride'
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phosgene \phos"gene\ (f[o^]s"j[=e]n or f[o^]z"j[=e]n), n.
(Chem.)
A reactive chemical substance (COCl2), also called
carbonyl choride, used in synthesis of numerous substances.
In the First World War it was also used as a poisonous gas in
combat.
[PJC]
