noun
- A microorganism, typically an archaeon, that produces methane as a metabolic byproduct.
Usage: technical; biology
Examples
- Methanogens are found in the digestive systems of cattle and other ruminants.
- Scientists study methanogens to understand greenhouse gas emissions from livestock.
- Methanogens thrive in anaerobic environments such as swamps and landfills.
- The methanogen population in a cow's stomach helps break down plant material.
- Researchers are investigating ways to reduce methanogen activity to lower methane production.