Home › Words › B › biomethanationbiomethanationbiomethanation · noun — biological or biochemical methanation.Definition from Wiktionary (CC BY-SA 3.0).EtymologyFrom bio- + methanation.nounbiological or biochemical methanationDefinitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.biodigestion 75% match — biological / biochemical digestion (typically anaerobic) vs biomethanation →biomethanization 73% match — The anaerobic decomposition of organic matter to produce methane. vs biomethanation →biorecycling 71% match — biological or biochemical recycling vs biomethanation →methanization 71% match — anaerobic digestion to produce methane from waste material vs biomethanation →biohydrogeneration 71% match — biological hydrogeneration vs biomethanation →biogeneration 70% match — biochemical generation vs biomethanation →bioreduction 67% match — biological / biochemical reduction vs biomethanation →biogasification 67% match — gasification to produce biogas vs biomethanation →