1. Methane gas produced by the fermentation of manure, plant, or crop waste under anaerobic conditions; used to generate electricity from waste matter

Derived forms: biogases

Encyclopedia: Biogas

• pyromancer
• pyromancy
• pyromania
• pyromaniac
• pyrometer
• pyrometric cone
• pyromorphite
• pyrope
• pyrophobia
• pyrophoric alloy
• Pyrophorus
• Pyrophorus noctiluca
• pyrophosphate
• pyrophosphoric acid
• pyrophyllite
• pyroscope
• pyrosis
• pyrostat
• pyrotechnic
• pyrotechnical
• pyrotechnics
• pyrotechnist
• pyrotechny
• pyroxene
• pyroxylin