carbonyl chloride

noun

A toxic gas, COCl₂, used in the manufacture of plastics, pesticides etc, and once used as a chemical weapon.

Meanings

nouncarbonyl chloride (uncountable)
  1. uncountablechemistryA toxic gas, COCl₂, used in the manufacture of plastics, pesticides etc, and once used as a chemical weapon.

    More of a French term. Phosgène. We prefer to call it carbonyl chloride. Less. . .disquieting, somehow.

    2006, Thomas Pynchon, Against the Day, Vintage, published 2007, page 265

    Synonyms: carbon oxychloride, phosgene

Synonyms & antonyms

nounA toxic gas, COCl₂, used in the manufacture of plastics, pesticides etc, and once used as a chemical weapon.

Translations

Bulgarian фосген
  • фосген (fosgen)the compound COCl2
Catalan fosgen
  • fosgenthe compound COCl2
Chinese Mandarin 碳醯氯, 碳酰氯
  • 碳醯氯 (tànxīlǜ)the compound COCl2
  • 碳酰氯 (tànxiānlǜ)the compound COCl2
Finnish karbonyylikloridi
  • karbonyylikloridithe compound COCl2
German Carbonylchlorid
  • Carbonylchloridthe compound COCl2
Hungarian foszgén, karbonil-klorid
  • foszgénthe compound COCl2
  • karbonil-kloridthe compound COCl2
Italian ossicloruro di carbonio
  • ossicloruro di carboniothe compound COCl2
Spanish fosgeno
  • fosgenothe compound COCl2
Cite this entry
APA

carbonyl chloride. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/carbonyl%20chloride

MLA

“carbonyl chloride.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/carbonyl%20chloride. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “carbonyl chloride,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/carbonyl%20chloride.

Source: carbonyl chloride on Wiktionary, CC BY-SA 4.0.