- 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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for phosgene
Construction of the phosgene plant at Edgewood was begun on March 1, 1918.
England received 900 tons of our chlorpicrin and 368 tons of American phosgene.
In addition to this we shipped 18,600 Livens drums loaded with phosgene.
Phosgene was one of the deadliest gases employed in the war.
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
- 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
C19: from Greek phōs light + -gene, variant of -gen
- 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.
- 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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.