noun, often capitalized
so·​man | \ ˈsō-mən How to pronounce soman (audio) \

Definition of soman

: an extremely toxic chemical warfare agent C7H16FO2P similar to sarin in action

Examples of soman in a Sentence

Recent Examples on the Web

An off-kilter vibe carried from the reception to the food, with skinny somen noodles supporting chewy abalone and a spring of junsai, a memorably slimy vegetable available only in late spring. Michael Russell,, "Portland’s Nodoguro is one of America’s most exclusive Japanese restaurants (2019 review)," 3 Aug. 2019 In 2012, South Korea estimated the North had between 2,500 and 5,000 metric tons of chemical arms, including mustard gas, hydrogen cyanide, and highly lethal nerve agents including sarin, soman, and VX. Kyle Mizokami, Popular Mechanics, "The U.S. Army Is Training to Explore, Fight in North Korea’s Maze of Tunnels," 18 Dec. 2017

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

First Known Use of soman

1951, in the meaning defined above

History and Etymology for soman


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Last Updated

20 Aug 2019

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The first known use of soman was in 1951

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so·​man | \ ˈsō-mən\
variants: or Soman

Medical Definition of soman

: an extremely toxic chemical warfare agent C7H16FO2P with potent anticholinesterase activity that is used especially as a nerve gas and that in large doses may result in loss of consciousness, convulsions, paralysis, and failure of the respiratory system

More from Merriam-Webster on soman

Rhyming Dictionary: Words that rhyme with soman Encyclopedia article about soman

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