mustard gas

noun

Definition of mustard gas 

: an irritant vesicant oily liquid C4H8Cl2S used especially as a chemical weapon

Examples of mustard gas in a Sentence

Recent Examples on the Web

Sam Levy was poisoned by mustard gas and struck by shrapnel at the Battle of Belleau Wood, a brutal encounter in northern France that raged for most of June 1918. Erik Brady, USA TODAY, "How old is former NFL coach Marv Levy? His dad was wounded in World War I," 27 June 2018 Russian officials said the lab was used by the rebels to produce mustard gas and contained equipment made in Western Europe. Washington Post, "Russia says evidence of Syria chemical attacks was faked," 22 June 2018 Allied forces, at long last, managed to contain German troops in their push toward Paris, but not before weeks of fearsome combat, sometimes hand-to-hand with bayonets amid clouds of mustard gas and shells exploding in the dark, overgrown woods. Erik Brady, USA TODAY, "How old is former NFL coach Marv Levy? His dad was wounded in World War I," 27 June 2018 Alexander Rodionov of the Russian military’s chemical weapons protection unit said its experts found chlorine and components for producing mustard gas at a rebel laboratory in Douma. BostonGlobe.com, "Chemical arms experts in Syria go to site of alleged attack," 17 Apr. 2018 Syria was thought to have one of the largest stockpiles of chemical weapons in the world, including not only nerve agents such as VX but also blister agents like mustard gas. Adam Taylor, Washington Post, "Chlorine, sarin or something else? The big questions in the alleged Syrian chemical weapons attack.," 11 Apr. 2018 The team also accused the Islamic State extremist group of using mustard gas twice in 2015 and 2016. Fox News, "Security Council deadlocks again on Syria chemical attacks," 10 Apr. 2018 Alexander Rodionov of the Russian military's chemical weapons protection unit said its experts found chlorine and components for producing mustard gas at a rebel laboratory in Douma. CBS News, "What's next after the U.S. bombed targets in Syria?," 17 Apr. 2018 Syria is known to possess several types of chemical agents, including blister agents, mustard gas, nerve agents, and chlorine, with the last two being used the most in recent years. David Hambling, Popular Mechanics, "These Are Syria's Chemical Weapons. Here's How To Destroy Them," 13 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'mustard gas.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of mustard gas

1917, in the meaning defined above

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The first known use of mustard gas was in 1917

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More Definitions for mustard gas

mustard gas

noun

English Language Learners Definition of mustard gas

: a poison gas used as a weapon in a war

mustard gas

noun

Medical Definition of mustard gas 

: an irritant oily liquid C4H8Cl2S used especially as a chemical weapon that causes blistering, attacks the eyes and lungs, and is a systemic poison

called also dichlorethyl sulfide, sulfur mustard

More from Merriam-Webster on mustard gas

Britannica.com: Encyclopedia article about mustard gas

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