phosgene definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a colorless, volatile, highly poisonous liquid, COCl, prepared by the reaction of carbon monoxide with chlorine in the presence of activated charcoal or, orig., in sunlight; carbonyl chloride: used as a poison gas, in organic synthesis, in making dyes, etc.
Origin: so named (1812) by Sir Humphry Davy ; from Classical Greek phōs, light (see phosphorus) plush -gene, -gen
phosgene definition by American Heritage Dictionary
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A colorless volatile liquid or gas, COCl2, used as a poison gas and in making glass, dyes, resins, and plastics.
Origin: French phosgène : Greek phōs, light; see phos- + French -gène, -gen.
phosgene - Medical Definition
The American Heritage® Medical Dictionary Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A colorless volatile liquid or gas used as a poison gas and in making dyes.
phosgene - Science Definition
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.