Lewisite meaning

lo͝o'ĭ-sīt'
An oily, colorless to violet or brown liquid, C2 H2 AsCl3 , used to make a highly toxic gas weapon.
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A pale-yellow, odorless arsenical compound, ClCH=CHAsCl2, used as a blistering poison gas.
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An organoarsenic compound used as a chemical weapon.
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Origin of lewisite

  • After Winford Lee Lewis (1878–1943), American chemist
    From American Heritage Dictionary of the English Language, 5th Edition
  • Lewis +‎ -ite, after US chemist and soldier Winford Lee Lewis (1878–1943).
    From Wiktionary