1. devices or systems that restore, renew, or produce something again
Usage: technical
2. heat exchangers that alternately store and release thermal energy to improve efficiency
Usage: engineering
3. people or things that bring about renewal or revival

Examples

• The power plant uses regenerators to capture waste heat and improve fuel efficiency.
• Industrial regenerators help reduce energy consumption in manufacturing processes.
• The city’s urban regenerators transformed the abandoned district into a thriving community.
• Heat regenerators in the HVAC system recovered thermal energy from exhaust air.
• Environmental regenerators worked to restore the damaged ecosystem.
• The steam engine’s regenerators preheated the water using exhaust steam.
• Economic regenerators focused on revitalizing the struggling downtown area.