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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.

How much planet-warming methane is coming from water reservoirs?

From Los Angeles Times • Apr. 16, 2026

This is unexpected because methane is usually produced in environments that lack oxygen, such as wetlands or deep ocean sediments.

From Science Daily • Apr. 16, 2026

Certain bacteria produce methane as they break down organic material, but this only happens when phosphate, an essential nutrient, is in short supply.

From Science Daily • Apr. 16, 2026

As plants break down underwater, they form methane, which then bubbles to the surface.

From Los Angeles Times • Apr. 15, 2026

The simplest of these is methane, or marsh gas, formed in nature by the bacterial decomposition of organic matter under water.

From "Silent Spring" by Rachel Carson




Vocabulary lists containing methane