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1. Growing old; aging.
2. No longer dividing. Used of a cell.

[Latin senēscēns, senēscent-, present participle of senēscere, to grow old, inchoative of senēre, to be old, from senex, sen-, old; see sen- in Indo-European roots.]

se·nes′cence n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.senescence - the organic process of growing older and showing the effects of increasing agesenescence - the organic process of growing older and showing the effects of increasing age
catabiosis - normal aging of cells
biological process, organic process - a process occurring in living organisms
2.senescence - the property characteristic of old agesenescence - the property characteristic of old age
oldness - the opposite of youngness


Old age:
age, agedness, elderliness, senectitude, year (used in plural).


n (form)Alterungsprozess m, → Seneszenz f (spec)


n. senescencia, senectud, proceso de envejecimiento.
References in periodicals archive ?
ISLAMABAD -- People with post-traumatic stress disorder (PTSD) may also be at risk for accelerated ageing or premature senescence, finds a team of researchers including an Indian-origin scientist.
They are susceptible to developing stress-induced premature senescence after exposure to hydrogen peroxide (Chen et al.
These pathways are associated with premature senescence of uterine decidual cells, provoking spontaneous early birth.

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