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Word History
First Known Use
1848, in the meaning defined above
Dictionary Entries Near marsh gas
Cite this Entry
“Marsh gas.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/marsh%20gas. Accessed 15 Dec. 2024.
More from Merriam-Webster on marsh gas
Britannica.com: Encyclopedia article about marsh gas
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