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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.

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

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

From Los Angeles Times • Apr. 16, 2026

These findings reshape how scientists think about methane in the ocean.

From Science Daily • Apr. 16, 2026

Estimating methane from a reservoir is trickier than measuring plumes from natural gas wells or landfills, scientists say.

From Los Angeles Times • Apr. 15, 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