Dictionary

lewisite

noun lew·is·ite \ˈlü-ə-ˌsīt\

Definition of LEWISITE

:  a colorless or brown vesicant liquid C2H2AsCl3 developed as a poison gas for war use

Origin of LEWISITE

Winford L. Lewis †1943 American chemist
First Known Use: 1895

lewisite

noun lew·is·ite \ˈlü-ə-ˌsīt\   (Medical Dictionary)

Medical Definition of LEWISITE

:  a colorless or brown vesicant liquid C2H2AsCl3 developed as a poison gas for war use

Biographical Note for LEWISITE

Lewis, Winford Lee (1878–1943), American chemist. As an officer in the United States Army Chemical Warfare Service during World War I, Lewis developed the poisonous gas lewisite in 1918. Later in life he did research for the Institute of American Meat Packers.

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