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

• Cycadophytina
• Cycadopsida
• Cycas
• Cycas circinalis
• Cycas revoluta
• Cyclades
• Cycladic civilisation
• Cycladic civilization
• Cycladic culture
• cyclamate
• cyclamen
• Cyclamen hederifolium
• Cyclamen neopolitanum
• Cyclamen purpurascens
• cycle
• cycle of rebirth
• cycle on
• cycle path
• cycle per second
• cycle rickshaw
• cycler
• cycles per second
• cycles/second
• cycleway
• cyclic