Definition of: regeneration

(ri·jen′ə·rā′shən) noun
1. The act of regenerating, or the state of being regenerated.
2. The impartation of spiritual life by divine grace.
3. Biol. a The reproduction of a lost part or organ, as in lizards. b The renewal or reproduction of cells, tissues, etc., in the ordinary vital processes: the regeneration of the ectodermic layers.
4. The process by which, in various devices, heat or other forms of energy are saved and re–utilized.
5. Electronics The amplification of radiosignal strength by returning part of the output of a vacuum tube to the grid: an effect of feedback. [<OF]
—re·gen·er·a·tive (ri·jen′ə·rā′·tiv, -ər·ə·tiv) adjective
—re·gen′er·a′tive·ly adverb