Definition of lewisite in English:

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lewisite

Pronunciation: /ˈlo͞oəˌsīt/

noun

A dark, oily liquid producing an irritant gas that causes blisters, developed for use in chemical warfare.
  • An organic compound of arsenic; chemical formula: ClCH=CHAsCl2
Example sentences
  • This target list usually included sarin, soman, mustard, lewisite, cyclosarin, and fats, oils and wax to name a few.
  • Among the CW agents produced were phosgene, mustard, lewisite, hydrogen cyanide, and diphenyl cyanarsine.
  • The chemicals, confiscated from Hitler's Third Reich at the end of the second world war, were mustard gas, phosgene, tabun and lewisite, all of which can inflict appalling injuries.

Origin

1920s: named after Winford L. Lewis (1878–1943), US chemist.

For editors and proofreaders

Syllabification: lew·is·ite

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