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from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A colorless liquid, ClCO2CCl3, used in organic synthesis. Its vapor was used as a poison gas in World War I.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The highly chlorinated ester trichloromethyl chloroformate that is used in organic synthesis, and was once used as a military poison


Sorry, no etymologies found.



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