phosgene

noun

phos·​gene ˈfäz-ˌjēn How to pronounce phosgene (audio)
: a colorless gas COCl2 of unpleasant odor that is a severe respiratory irritant that has been used in chemical warfare

Examples of phosgene in a Sentence

Recent Examples on the Web Vinyl chloride, a colorless gas used to make the hard plastic resin found in products like credit cards, is a carcinogen, and burning it releases phosgene, a toxic gas that was used as a weapon during World War I, and hydrogen chloride into the air. Haadiza Ogwude, The Enquirer, 17 Feb. 2023 After the detonation, crews checked the air for chemicals of concern, including phosgene and hydrogen chloride, as well as butyl acrylate, ethylene glycol monobutyl ether acetate, and 2-ethylhexyl acrylate, according to the EPA, and reported that the data was normal. Nouran Salahieh, CNN, 20 Feb. 2023 Also released in liquid form were 667 pounds of chlorobenzene, 3 pounds of hydrochloric acid, 292 pounds of MDI and 21 pounds of phosgene. Mark Schleifstein, NOLA.com, 3 Jan. 2021 After the fire was extinguished on February 8, the threat of vinyl chloride fire producing phosgene and hydrogen chloride no longer exists. Alisha Ebrahimji, CNN, 23 Feb. 2023 The breach sent hydrogen chloride – a gas that can irritate the eyes, skin and nose – and toxic phosgene gas into the air. Sudiksha Kochi, USA TODAY, 19 Feb. 2023 Burning vinyl chloride sends phosgene, a toxic gas that was used as a weapon during World War I, and hydrogen chloride into the air. The Enquirer, 15 Feb. 2023 The Environmental Protection Agency has said the main chemicals involved were vinyl chloride, its byproducts phosgene and hydrogen chloride, butyl acrylate, and others. Justine McDaniel, Washington Post, 12 Feb. 2023 There is a risk that vinyl chloride, hydrochloric acid, and phosgene, which is a World War I-era chemical weapon that is also sometimes used as a pesticide, could be released from the burning, the Post continues. Devika Rao, The Week, 7 Feb. 2023 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'phosgene.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Greek phōs light + -genēs born, produced — more at fancy, -gen; from its originally having been obtained by the action of sunlight

First Known Use

1812, in the meaning defined above

Time Traveler
The first known use of phosgene was in 1812

Dictionary Entries Near phosgene

Cite this Entry

“Phosgene.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/phosgene. Accessed 21 Feb. 2024.

Medical Definition

phosgene

noun
phos·​gene ˈfäz-ˌjēn How to pronounce phosgene (audio)
: a colorless gas COCl2 of unpleasant odor that is a severe respiratory irritant and has been used in chemical warfare

More from Merriam-Webster on phosgene

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!