"ˌ noun
Etymology: bi- (II) + gas
: a mixture of methane and carbon dioxide produced by the bacterial decomposition of animal and vegetable wastes and used as a fuel
"ˌ noun
Etymology: bi- (II) + gas
: a mixture of methane and carbon dioxide produced by the bacterial decomposition of animal and vegetable wastes and used as a fuel
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012