Definition of "senescence" [se•nes•cence]

• The state or process of ageing, especially in humans; old age. (noun)
• Ceasing to divide by mitosis because of shortening of telomeres or excessive DNA damage. (noun)
• Old age; accumulated damage to macromolecules, cells, tissues and organs with the passage of time. (noun)
• Fruit senescence, leading to ripening of fruit. (noun)

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• "The gene is involved in senescence, a process that is thought to ensure that aging cells do not pass on harmful mutations."
• "The change was called senescence, or sanctification."
• "A team of international researchers, working for the US Department of Agriculture and led by Dr Cai-Zhong Jiang, a plant physiologist at the University of California-Davis, has been experimenting with methods to forestall the natural ageing process in plants - called "senescence" - and have found that TDZ, when added to water in concentrations of five-10 parts per million, can achieve"