from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A colorless volatile liquid or gas, COCl2, used as a poison gas and in making glass, dyes, resins, and plastics.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Alternative form of carbonyl chloride.
from the GNU version of the Collaborative International Dictionary of English
- adj. Producing, or produced by, the action of light; -- used specifically to designate a gas also called carbonyl chloride. See carbonyl.
- n. A reactive chemical substance (COCl2), also called carbonyl choride, used in synthesis of numerous substances. In the First Worlds War it was also used as a poisonous gas in combat.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a colorless poisonous gas that smells like new-mown hay; used in chemical warfare
French phosgène : Greek phōs, light; see phos- + French -gène, -gen.(American Heritage® Dictionary of the English Language, Fourth Edition)
From phos- + -gen. (Wiktionary)