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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.

Keeping super-cold liquid oxygen and methane stable in the vacuum of space, then transferring them between spacecraft, is one of the most demanding engineering challenges in the programme.

From BBC • Apr. 10, 2026

That adds methane, a potent greenhouse gas, into the atmosphere.

From The Wall Street Journal • Apr. 9, 2026

The primary component of natural gas is methane, which, when burned, releases CO2 -- the leading greenhouse gas responsible for global warming.

From Barron's • Mar. 27, 2026

Capterio, a satellite-data company, monitors the burning of unwanted natural gas at energy infrastructure, known as methane flaring.

From The Wall Street Journal • Mar. 19, 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