Lewisite Definition

lo͝oĭ-sīt
noun
A pale-yellow, odorless arsenical compound, ClCH=CHAsCl2, used as a blistering poison gas.
Webster's New World

Origin of Lewisite

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

    From Wiktionary

  • After Winford Lee Lewis (1878–1943), American chemist

    From American Heritage Dictionary of the English Language, 5th Edition

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