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meth•an•o•gen



Pronunciation: (me-than'u-jun, -jen"), [key]
n.
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.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

methanemethantheline
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