from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An oily, colorless to violet or brown liquid, C2H2AsCl3, used to make a highly toxic gas weapon.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An organoarsenic compound used as a chemical weapon.
from The Century Dictionary and Cyclopedia
- n. A titano-anti-monate of calcium occurring in minute yellow to brown octahedrons: found in the gravels of Tripuhy, Minas Geraes, Brazil.
Conant had supervised the production of a poison gas (never used) called lewisite during World War I, and shortly after the outbreak of World War II, he was invited to join a government body created to oversee scientific contributions to military research.
The corps found an open flask containing traces of the chemical agent mustard, another blistering agent called lewisite and munition shells with more digging near a one-time Army chemical warfare station at American University.
The Corps discovered an open flask containing traces of the chemical agent mustard, another blistering agent called lewisite and munition shells with more digging near a one-time Army chemical warfare station at American University.
In 2008, the arsenal temporarily closed to the public after the chemical agent lewisite was found.
Iran lay in financial and emotional ruins, with an entire generation killed in battle or horribly maimed by Iraq's western-supplied chemical weapons that included the burning agents mustard gas and lewisite, chlorine, cyanide, and a variety of deadly nerve gases.
That's right, Pentagon leaders don't see the value next year in spending one thin dime to destroy or secure VX, soman, sarin, or lewisite/mustard nerve and blister agents from Russia or the former Soviet states.
During the First World War, James Conant had been in charge of manufacturing lewisite, a war gas that smelled like geraniums.
He had set up a large lewisite factory near Cleveland, for which service he won a medal.
A boatload of lewisite had been on its way to Europe in 1918 when Germany capitulated.
Even after more than half a century on the seabed the shells 'contents -- mostly mustard gas and lewisite (both blister agents), as well as the nerve gas tabun -- may still be deadly.
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