insenescence

in·se·nes·cence

(in'sĕ-nes'ens),
The process of growing old.
[L. insenesco, to begin to grow old]

insenescence

[in′sines′əns]
Etymology: L, insenescere, to begin to grow old
1 the process of aging.
2 the state of being chronologically old but retaining the vitality of a young person.

in·se·nes·cence

(in'sĕ-nes'ĕns)
The process of growing old.
[L. insenesco, to begin to grow old]

insenescence

(ĭn″sĕ-nĕs′ĕns) [″ + senescens, growing old]
The process of growing old or the approaching of old age.
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