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

• soap dispenser
• soap film
• soap flakes
• soap opera
• soap pad
• soap powder
• soap tree
• soapberry
• soapberry family
• soapberry tree
• soapberry vine
• soapbox
• soapfish
• soapiness
• soaprock
• soapstone
• soapsuds
• soapweed
• soapwort
• soapwort gentian
• soapy
• soar
• soar up
• soar upwards
• soaring