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Definition of methanogen

methanogen

/mɛˈθæn.ə.dʒən/
meth · an · o · gen
Plural:methanogens
•
Adjective:methanogenic
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methanogen Lexical Profile

methanogen Game Scores & Validity

• noun

1

A microorganism, typically an archaeon, that produces methane gas as a metabolic byproduct in oxygen-free environments such as wetlands, hot springs, and the digestive tracts of animals.

Example

"Methanogens living in the stomachs of cows are responsible for a significant portion of agricultural greenhouse gas emissions."

• Rhymes for methanogen

• Nearby Words

meteorology
meter
methane
methanogen
methanogenesis
methanogenic
method

Word Origin & Etymology

Coined in the mid-20th century from the combining form 'methano-' (referring to methane gas) and the suffix '-gen' (meaning producer), primarily used in microbiology to describe specific archaea.

Cite this Entry

Wordmom. (2026). Definition of Methanogen. In Wordmom Dictionary. Retrieved Oct 12, 2026, from https://wordmom.com/dictionary/methanogen
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