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carbon oxychloride

noun
1.

phosgene

[fos-jeen, foz-] /ˈfɒs dʒin, ˈfɒz-/
noun, Chemistry
1.
a poisonous, colorless, very volatile liquid or suffocating gas, COCl 2 , a chemical-warfare compound: used chiefly in organic synthesis.
Also called carbon oxychloride, carbonyl chloride, chloroformyl chloride.
Origin
1805-1815
1805-15; < Greek phôs light (contraction of pháos) + -genēs -gen
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for carbon-oxychloride

phosgene

/ˈfɒzdʒiːn/
noun
1.
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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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carbon-oxychloride in Medicine

phosgene phos·gene (fŏs'jēn', fŏz'-)
n.
A colorless volatile liquid or gas used as a poison gas and in making dyes.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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carbon-oxychloride in Science
phosgene
  (fŏs'jēn')   
A colorless, volatile gas that has the odor of freshly mowed hay. When it reacts with water (as in the lungs during respiration), phosgene produces hydrochloric acid and carbon monoxide. It is used in making glass, dyes, resins, and plastics, and was used as a poisonous gas during World War I. Also called carbonyl chloride. Chemical formula: COCl2.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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