Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun An oily, colorless to violet or brown liquid, C2H2AsCl3, used to make a highly toxic gas weapon.

from The Century Dictionary.

  • noun A titano-anti-monate of calcium occurring in minute yellow to brown octahedrons: found in the gravels of Tripuhy, Minas Geraes, Brazil.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun An organoarsenic compound used as a chemical weapon.

Etymologies

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

[After Winford Lee Lewis, (1878–1943), American chemist.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

Lewis +‎ -ite, after US chemist and soldier Winford Lee Lewis (1878–1943).

Examples

  • 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 Quiet American

  • 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.

    Denver Post: News: Breaking: Local

  • 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.

    daytondailynews.com - News

  • 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.

    daytondailynews.com - News

  • 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.

    daytondailynews.com - News

  • 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.

    Denver Post: News: Breaking: Local

  • 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.

    daytondailynews.com - News

  • In 2008, the arsenal temporarily closed to the public after the chemical agent lewisite was found.

    Rocky Mountain Arsenal Now Officially A Wildlife Refuge

  • In 2008, the arsenal temporarily closed to the public after the chemical agent lewisite was found.

    Rocky Mountain Arsenal Now Officially A Wildlife Refuge

  • In 2008, the arsenal temporarily closed to the public after the chemical agent lewisite was found.

    Rocky Mountain Arsenal Now Officially A Wildlife Refuge

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