phosgene

[ fos-jeen, foz- ]
/ ˈfɒs dʒin, ˈfɒz- /

noun Chemistry.

a poisonous, colorless, very volatile liquid or suffocating gas, COCl2, a chemical-warfare compound: used chiefly in organic synthesis.
Also called carbon oxychloride, carbonyl chloride, chloroformyl chloride.

Origin of phosgene

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

Example sentences from the Web for phosgene

British Dictionary definitions for phosgene

phosgene
/ (ˈfɒzdʒiːn) /

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

Medical definitions for phosgene

phosgene
[ fŏsjēn′, fŏz- ]

n.

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

Scientific definitions for phosgene

phosgene
[ fŏsjēn′ ]

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.