methaniferous

methane +‎ -i- +‎ -ferous

methaniferous (comparative more methaniferous, superlative most methaniferous)

1. That produces methane (used especially of certain bacteria).
   • 1911, Gas World, volume 55, page 196:

     But this “methaniferous” gas can be once more diluted with carbonic oxide, and passed through a second nickel apparatus.

   • 1948, The Chemical Age, volume 59, page 43:

     In the first of these articles C. Padovani and E. Gatti discuss the anomalous compressibility of methane and methaniferous gases when used for auto-traction.