Search Result for "senescence": 
Wordnet 3.0

NOUN (2)

1. the organic process of growing older and showing the effects of increasing age;
[syn: aging, ageing, senescence]

2. the property characteristic of old age;
[syn: agedness, senescence]



The Collaborative International Dictionary of English v.0.48:

Senescence \Se*nes"cence\, n. [See Senescent.]
   The state of growing old; decay by time.
   [1913 Webster]


WordNet (r) 3.0 (2006):

senescence
    n 1: the organic process of growing older and showing the
         effects of increasing age [syn: aging, ageing,
         senescence]
    2: the property characteristic of old age [syn: agedness,
       senescence]