: a colorless odorless flammable gaseous hydrocarbon CH4 that is a product of biological decomposition of organic matter and of the carbonization of coal, is used as a fuel and as a starting material in chemical synthesis, and is the simplest of the alkanes
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Senate Republicans earlier this week introduced a Congressional Review Act resolution to stop implementation of the IRA's fee on methane, a greenhouse gas that often leaks undetected into the atmosphere.
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Chuck McCutcheon, Axios, 7 Feb. 2025
Another challenge is making methane from Martian water ice and atmospheric carbon dioxide.
—Keith Cooper, Space.com, 3 Feb. 2025
The extent of carbonate deposits at Borealis indicate that the mud volcano has likely been producing methane for thousands of years, the researchers say.
—Jack Knudson, Discover Magazine, 28 Jan. 2025
Euryarchaeota tend to thrive in extreme heat and reduce carbon dioxide to generate methane.
—Elizabeth Rayne, Ars Technica, 20 Jan. 2025
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Chuck McCutcheon, Axios, 7 Feb. 2025
Another challenge is making methane from Martian water ice and atmospheric carbon dioxide.
—Keith Cooper, Space.com, 3 Feb. 2025
The extent of carbonate deposits at Borealis indicate that the mud volcano has likely been producing methane for thousands of years, the researchers say.
—Jack Knudson, Discover Magazine, 28 Jan. 2025
Euryarchaeota tend to thrive in extreme heat and reduce carbon dioxide to generate methane.
—Elizabeth Rayne, Ars Technica, 20 Jan. 2025
See all Example Sentences for methane
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“Methane.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/methane. Accessed 20 Feb. 2025.
Copy CitationKids Definition
methane
noun
meth·ane
ˈmeth-ˌān 
: a colorless odorless flammable gas that consists of carbon and hydrogen and is produced by decay of organic matter
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