rejuvenescence Meaning, Definition & Usage

Re*ju`ve*nes"cence noun
Definitions
  1. A renewing of youth; the state of being or growing young again.
  2. (Bot.) A method of cell formation in which the entire protoplasm of an old cell escapes by rupture of the cell wall, and then develops a new cell wall. It is seen sometimes in the formation of zospores, etc.

Webster 1913