senescence.

1. The process of biological aging and associated decline in function.

2. A state in which cells remain alive but undergo a lasting arrest of division, often in response to stress or damage.

Use it for

Words that belong together

• plant senescence
• biological senescence

On the page

The study tracked leaf senescence.

Biological senescence changed the organism’s responses.

The researcher separated senescence from immediate injury.

Usage notes

Primary category: gothic. Forms: Mass noun. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.