rə̇ˌjüvəˈnāshən, (ˌ)rēˌj- noun
( -s )
1. : the action of rejuvenating or the state of being rejuvenated : restoration of youthful vigor
rejuvenation of streams
schemes for the rejuvenation of the drama — Arnold Bennett
poured half a billion dollars into Italy's post-war rejuvenation — A.H.Vandenberg †1951
2. : the restoration of vigor to a tree by pruning, spraying, soil treatment, or other means