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.
Choking agents, such as phosgene and diphosgene, block respiration by damaging the breathing mechanism, which can be fatal.
Ethyl-dichlor-arsine was produced in homogeneously lead-lined vessels, identical with those used for diphosgene.
The familiar Green Cross represented the slightly persistent, volatile, lethal compounds, such as phosgene and diphosgene.
-- This was mixed with diphosgene and used in the familiar Green Cross shell.