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Definitions

methane

[meth-eyn, mee-theyn] / ˈmɛθ eɪn, ˈmi θeɪn /
NOUN
marsh gas
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The observations show that the planet's atmosphere is surprisingly dense and filled with heavier molecules, including water vapor, carbon dioxide, sulfur dioxide, and traces of methane.

From Science Daily • May 7, 2026

The methane disaster led Rep. Henry Waxman, whose district included Fairfax, to push for a federal law prohibiting all federal funding for the project.

From Los Angeles Times • May 7, 2026

That explosion was caused by a build-up of methane gas, investigators said at the time.

From BBC • May 5, 2026

"It's not a typical fire with surface combustion or a blaze... there's layers of rubbish in a mountainous area, and below that... methane gas," he said.

From Barron's • Apr. 30, 2026

“Can’t, might set the black damp off,” the old miner said, using the colloquial term for methane.

From "October Sky" by Homer Hickam




Vocabulary lists containing methane