phosgene

[fos-jeen, foz-]

noun Chemistry.

a poisonous, colorless, very volatile liquid or suffocating gas, COCl2, a chemical-warfare compound: used chiefly in organic synthesis.

Origin of phosgene

1805–15; < Greek phôs light (contraction of pháos) + -genēs -gen

Also called carbon oxychloride, carbonyl chloride, chloroformyl chloride.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for phosgene

Historical Examples of phosgene

Phosgene was one of the deadliest gases employed in the war.
America's Munitions 1917-1918
Benedict Crowell
Construction of the phosgene plant at Edgewood was begun on March 1, 1918.
America's Munitions 1917-1918
Benedict Crowell
England received 900 tons of our chlorpicrin and 368 tons of American phosgene.
America's Munitions 1917-1918
Benedict Crowell
In addition to this we shipped 18,600 Livens drums loaded with phosgene.
America's Munitions 1917-1918
Benedict Crowell
This relief was considerably interrupted by a further lavish use of phosgene by the Germans.
The History of the 51st (Highland) Division 1914-1918
Frederick William Bewsher

British Dictionary definitions for phosgene

phosgene

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: COCl 2

Word Origin for phosgene

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

phosgene in Medicine

phosgene

[fŏs′jēn′, fŏz′-]

n.

A colorless volatile liquid or gas used as a poison gas and in making dyes.

phosgene 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.