Phosgene Definition

fŏsjēn, fŏz-
A colorless, volatile, highly poisonous liquid, COCl2, 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.
Webster's New World
(inorganic chemistry) Alternative form of carbonyl chloride.

Origin of Phosgene

  • French phosgène Greek phōs light phos– French -gène -gen

    From American Heritage Dictionary of the English Language, 5th Edition

  • From phos- + -gen.

    From Wiktionary

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