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View synonyms for poison gas

poison gas

noun

  1. any of various toxic gases, especially those used in chemical warfare to kill or incapacitate on inhalation or contact, as phosgene, chlorine, etc.


poison gas

noun

  1. a gaseous substance, such as chlorine, phosgene, or lewisite, used in warfare to kill or harm
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word History and Origins

Origin of poison gas1

First recorded in 1910–15
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Example Sentences

Before we walk into a room, we like to be fairly certain of what we’ll find — walls, floor, furniture, not hot coals or clouds of poison gas.

The U.S. accused Russia of using chemical weapons, including poison gas, against Ukrainian forces.

The United States has accused Russia of using chemical weapons, including poison gas, “as a method of warfare” against Ukrainian forces, in violation of a global ban on the use of such weapons.

From then on, poison gas in a variety of forms was used extensively by both sides.

Traces of the World War One poison gas phosgene were detected in an incident at Sweden's security service HQ last Friday, official documents suggest.

From BBC

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