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Webster's 1828 Dictionary

REJUVENESCENCE, REJUVENESCENCY

n.[L. re and juvenescens; juvenis, a youth. ] A renewing of youth; the state of being young again.

Webster's 1913 Dictionary

REJUVENESCENCE

REJUVENESCENCE Re *ju `ve *nes "cence (-ns "sens ), n.

1. A renewing of youth; the state of being or growing young again.

2. (Bot. )

Defn: 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 zo

New American Oxford Dictionary

rejuvenescence

re ju ve nes cence |riˌjo͞ovəˈnesəns rəˌʤuvəˈnɛsns | ▶noun the renewal of youth or vitality. • Biology the reactivation of vegetative cells, resulting in regrowth from old or injured parts. DERIVATIVES re ju ve nes cent |-ˈnesənt |adjective ORIGIN mid 17th cent.: from late Latin rejuvenescere (from Latin re- ‘again ’ + juvenis ‘young ’) + -ence .

Oxford Dictionary

rejuvenescence

rejuvenescence |rɪˌdʒuːvəˈnɛsəns | ▶noun [ mass noun ] the renewal of youth or vitality. • Biology the reactivation of vegetative cells, resulting in regrowth from old or injured parts. DERIVATIVES rejuvenescent adjective ORIGIN mid 17th cent.: from late Latin rejuvenescere (from Latin re- ‘again ’ + juvenis ‘young ’) + -ence .