[loo-uh-sahyt] /ˈlu əˌsaɪt/

a pale yellow, odorless compound, C 2 H 2 AsCl 3 , used as a blister gas in World War I.
a colourless oily poisonous liquid with an odour resembling that of geraniums, having a powerful vesicant action and used as a war gas; 1-chloro-2-dichloroarsinoethene. Formula: ClCH:CHAsCl2


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