1. large tanks or vessels used to break down organic matter through bacterial action, especially in sewage treatment or biogas production
Usage: technical; environmental engineering
2. people or animals that digest food

Examples

• The wastewater treatment plant installed new digesters to process organic waste.
• Anaerobic digesters convert food scraps into methane gas for energy.
• The farm’s digesters help reduce greenhouse gas emissions from animal waste.
• Municipal digesters can handle thousands of gallons of sewage daily.
• Some animals are better digesters of cellulose than others.
• The digesters at the facility require regular maintenance to operate efficiently.