: a colorless or brown vesicant liquid C2H2AsCl3 developed as a poison gas for war use
Examples of lewisite in a Sentence
Recent Examples on the WebSome of those chemical agents, such as lewisite and mustard gas, were specifically designed to injure people; others, including sarin, soman, and VX, were designed to kill.
Kyle Mizokami, Popular Mechanics, 23 Mar. 2022 His task was to develop poison gases—first mustard gas, then an even nastier brew called lewisite.
Steven Shapin, WSJ, 27 Oct. 2017 McCaskill said the military tested the effects of mustard gas and the blister agent lewisite on about 60,000 veterans by the end of World War II.
Washington Post, 3 Aug. 2017
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'lewisite.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.