so·​man ˈsō-mən How to pronounce soman (audio)
often capitalized
: an extremely toxic chemical warfare agent C7H16FO2P similar to sarin in action

Examples of soman in a Sentence

Recent Examples on the Web Farha’s cloth specifically destroys the nerve agents VX and soman, also known as GD, which is a more toxic relative of sarin. Sophia Chen, Wired, 4 Feb. 2020 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, 18 Dec. 2017

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'soman.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History



First Known Use

1951, in the meaning defined above

Time Traveler
The first known use of soman was in 1951

Dictionary Entries Near soman

Cite this Entry

“Soman.” Dictionary, Merriam-Webster, Accessed 16 Apr. 2024.

Medical Definition


variants or 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

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