senescence

Noun
  1. The organic process of growing older and showing the effects of increasing age (synset 113450179)
    is a type of: biological process, organic process - a process occurring in living organisms
    subtypes: catabiosis - normal aging of cells
    same as: ageing, aging
  2. The property characteristic of old age (synset 104934809)
    is a type of: oldness - the opposite of youngness
    same as: agedness

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