regeneration regeneration /riːˈdʒɛnɝˈeɪʃən/

noun

1. Forming again (especially with improvements or removal of defects); renewing and reconstituting  ( re-formation , regeneration )
   forming again (especially with improvements or removal of defects); renewing and reconstituting
   
2. The activity of spiritual or physical renewal  ( regeneration )
   the activity of spiritual or physical renewal
   
3. Feedback in phase with (augmenting) the input  ( regeneration , positive feedback )
   feedback in phase with (augmenting) the input
     The positive feedback loop amplified the initial signal.
   The positive feedback loop amplified the initial signal.
   
4. (biology) growth anew of lost tissue or destroyed parts or organs  ( regeneration )
   (biology) growth anew of lost tissue or destroyed parts or organs