Methanogen

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  methanogen \methanogen\ n.
     A type of archaebacteria found in anaerobic environments such
     as animal intestinal tracts or sediments or sewage, and
     capable of producing {methane}; a source of natural gas.
     [WordNet 1.5]



From WordNet (r) 2.0 [wn]:

  methanogen
       n : archaebacteria found in anaerobic environments such as
           animal intestinal tracts or sediments or sewage and
           capable of producing methane; a source of natural gas