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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.

Imports from countries such as Trinidad and Tobago, for example, have a methane intensity four times higher than Pennsylvania-produced natural gas.

From The Wall Street Journal • May 29, 2026

Tools such as CalEnviroScreen or PSE’s methane risk map can help people locate pollution sources, toxic facilities and other threats in their area.

From Los Angeles Times • May 27, 2026

The Saturn sized world, known as TOI-199b, contains methane in its atmosphere, according to a new study.

From Science Daily • May 22, 2026

High concentrations of methane can cause "episodes of suffocation or headaches," Yuri Carvajal, president of the environmental department at the Medical College of Chile, told AFP.

From Barron's • May 13, 2026

The only gas known unambiguously to be present was methane, CH4, discovered by G. P. Kuiper.

From "Cosmos" by Carl Sagan




Vocabulary lists containing methane


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