The process of becoming older or more mature.
The accumulation of damage to macromolecules, cells, tissues and organs with the passage of time; the progressing loss of health, mobility, vibrancy and body functionality, resulting in biological death.
The deliberate process of making something (such as an antique) appear (or, in science fiction, become) older than it is.
Wear; wear and tear.
Becoming elderly.
The state or process of ageing, especially in humans; old age.
Old age; accumulated damage to macromolecules, cells, tissues and organs with the passage of time.
Fruit senescence, leading to ripening of fruit.
Ceasing to divide by mitosis because of shortening of telomeres or excessive DNA damage.
Condition when the cell ceases to divide.