1. the process of circulating something again or continuously through a system

Examples

• The air conditioning system uses recirculation to maintain cool temperatures efficiently.
• Blood recirculation through the heart keeps oxygen flowing to all organs.
• The pool’s recirculation system filters and cleans the water continuously.
• Recirculation of hot water reduces energy costs in large buildings.
• The engine’s oil recirculation prevents overheating during operation.
• Proper recirculation of air prevents stuffiness in enclosed spaces.