methanogen

[ me-than-uh-juh n, -jen ]
/ mɛˈθæn ə dʒən, -ˌdʒɛn /

noun

any of a diverse group of widely distributed archaebacteria that occur in anaerobic environments, as the intestinal tracts of animals, freshwater and marine sediments, and sewage, and are capable of producing methane from a limited number of substrates, including carbon dioxide and hydrogen, acetate, and methylamines: an important source of natural gas.

Origin of methanogen

1975–80; methane- + -o- + -gen

OTHER WORDS FROM methanogen

meth·an·o·gen·ic, adjective

Medical definitions for methanogen

methanogen
[ mĕ-thănə-jən, -jĕn′ ]

n.

Any of various anaerobic methane-producing bacteria belonging to the family Methanobacteriaceae.