se·nes·cence. noun \si-?ne-s?n(t)s\. Definition of SENESCENCE. 1. : the state of being old : the process of becoming old. 2. : the growth phase in a plant ...
http://www.merriam-webster.com/dictionary/senescence
se·nes·cent (s -n s nt). adj. Growing old; aging. [Latin sen sc ns, sen scent-, present participle of sen scere, to grow old, inchoative of sen re, ...
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se·nes·cent (s -n s nt). adj. Growing old; aging. [Latin sen sc ns, sen ...
http://www.thefreedictionary.com/senescence
senescence /se·nes·cence/ (s?-nes´ens) the process of growing old ...
http://medical-dictionary.thefreedictionary.com/senescence
Définition senescence: Vieillissement, ralentissement de l'activité vitale dû au vieillissement.
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Origin: 1650?60; < Latin sen?scent- (stem of sen?sc?ns) present participle of sen?scere to grow old, equivalent to sen- old + -?scent- -escent ...
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senescence ( si?nes?ns ) ( biology ) The study of the biological changes related to aging, with special emphasis on plant, animal, and clinical.
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Jun 8, 2000 ... Online Medical Dictionary and glossary with medical definitions.
http://www.medterms.com/script/main/art.asp?articlekey=13402