Trel (trellia_chan) wrote in 1word1day,

Wednesday word: senescence

senescence: [si-nes-uhns]

1. (in
biology) The state or process of aging, especially in humans; old age.
2. (in cell biology) Ceasing to divide by mitosis because of shortening of telomeres or excessive DNA damage.
3. (in gerontology) Old age; accumulated damage to macromolecules, cells, tissues and organs with the passage of time.
4. (in botany) Fruit senescence, leading to ripening of fruit.

Origin:  1650-60  From Latin: senescere: to grow old.

Related form:

adjective: senescent: growing old, aging.
Tags: adjective, biology, latin, noun, s, wordsmith: trellia_chan

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