regeneration

noun

Etymology: From re- + generation or regenerate + -ion, from Latin regenerātiō.

1. Rebuilding or restructuring; large scale repair or renewal; revitalisation.

   “The conversion of so many old industrial buildings into living quarters was a major factor in the regeneration.”

   “Iversen holds that these changes indicate the arrival of farmers, the phase of Landnam or land occupation, that the charcoal comes from clearance fires; that herbaceous pollen suggests the opening-up of the land; cereals, fields; the plantains, weeds; and birch and hazel, regeneration of the forests after the exhaustion of the plot.”

2. Spiritual rebirth; the change from a carnal or material life to a pious one
3. The renewal of the world at the second coming of Christ.
4. The process by which a water softener flushes out minerals extracted from the water supply.
5. The ability to rapidly heal substantial physical damage to one's body, or to spontaneously restore hit points.

   “The standard ring of regeneration restores one point of damage per turn (and will eventually replace lost limbs or organs).”

   “2003, Bastion Press, E. W. Morton, Out for Blood Regeneration does not restore hit points lost from starvation, thirst, or suffocation.”

6. The property of a kind of circuit, much used in radio receivers, that allows an electronic signal to be amplified many times through a feedback loop.