(ˌ)rēˌjenəˈrāshən, rə̇ˌ- noun
Etymology: Middle English regeneracioun, from Middle French & Late Latin; Middle French regeneration, from Late Latin regeneration-, regeneratio, from Latin regeneratus (past participle of regenerare ) + -ion-, -io -ion
1. : an act of regenerating or the condition of being regenerated
2. : spiritual rebirth : spiritual renewal, re-creation, or revival : a radical spiritual transformation in which the center of one's life is shifted under the action of a divine agency (as the Holy Spirit) from a self-centered ultimate concern to a God-centered ultimate concern
3. : the renewal, regrowth, or restoration of a body or a bodily part, tissue, or substance after injury or as a normal bodily process
regeneration of a plant from a cutting
regeneration of a lost claw by a lobster
continual regeneration of epithelial cells
regeneration of the contractile substance of muscle after exercise
— compare regulation
4.
a. : the process by which part of the power in the output circuit of an amplifying device is caused to act upon the input circuit so as to increase the amplification : feedback
b. : the utilization by special devices of heat or other products that would ordinarily be lost — see regenerator 4