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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

Instead of being rare, methane production in oxygen-rich waters may be common in regions where phosphate levels are low.

From Science Daily • Apr. 16, 2026

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

From Los Angeles Times • 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

Then of course the black phone rang, and Dad heard there was a fall, men were hurt, maybe trapped, methane was surely seeping in.

From "October Sky" by Homer Hickam




Vocabulary lists containing methane