: 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
Examples of methane in a Sentence
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These insects excel at consuming food waste, minimizing landfill contributions, and reducing methane emissions.
—
Oyku Ilgar, Forbes, 25 Feb. 2025
By leveraging biogas from organic waste, industries are not only reducing methane emissions but also creating a renewable hydrogen source with lower carbon footprints.
—Ethan Stone, USA TODAY, 21 Feb. 2025
Candidates ranged from the liquid forms of methane and ethane, ammonia and carbon dioxide to even stranger possibilities like pitch and molten rock.
—Kiona N. Smith, Space.com, 20 Feb. 2025
Cattle often come under scrutiny for greenhouse gas emissions, particularly methane from enteric fermentation.
—Arturo MacIas Franco, San Diego Union-Tribune, 18 Feb. 2025
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Oyku Ilgar, Forbes, 25 Feb. 2025
By leveraging biogas from organic waste, industries are not only reducing methane emissions but also creating a renewable hydrogen source with lower carbon footprints.
—Ethan Stone, USA TODAY, 21 Feb. 2025
Candidates ranged from the liquid forms of methane and ethane, ammonia and carbon dioxide to even stranger possibilities like pitch and molten rock.
—Kiona N. Smith, Space.com, 20 Feb. 2025
Cattle often come under scrutiny for greenhouse gas emissions, particularly methane from enteric fermentation.
—Arturo MacIas Franco, San Diego Union-Tribune, 18 Feb. 2025
See All Example Sentences for methane
Cite this Entry
“Methane.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/methane. Accessed 12 Mar. 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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