regenerator

/rɪˈdʒɛnəˌreɪtər/
noun
  1. A device or system that restores something to a better or original state, especially by recycling or reusing energy or materials.
    • The furnace uses a regenerator to capture waste heat and improve efficiency.
    • The car's brake regenerator converts kinetic energy into electricity to recharge the battery.
    • In the water treatment plant, the regenerator cleans the filtering material so it can be used again.
  2. A person or thing that brings something back to life, strength, or activity.
    • The new coach was a regenerator for the team, inspiring them to win after years of losses.
    • Community gardens act as regenerators of neglected urban spaces.
    • The artist saw herself as a regenerator of traditional crafts in the modern world.
Antonyms
What does "regenerator" mean? | whatsthatwordmean | whatsthatwordmean