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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

Energy producers separate it out from methane, nitrogen and other gases, then ship it as a supercooled liquid.

From The Wall Street Journal • Mar. 31, 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

If farmers can figure out, for example, that a certain breed of cattle releases more methane when it consumes a particular kind of feed, they could change the feed to cut down on the methane.

From The Wall Street Journal • Mar. 17, 2026

Ultraviolet light from the sun converts methane to more complex hydrocarbon molecules and hydrogen gas.

From "Cosmos" by Carl Sagan




Vocabulary lists containing methane