Meaning of biological clock | Babel Free

Definitions

1. Any of several mechanisms that regulate the periodicity of biological functions, such as the circadian rhythm.
2. A notional clock to which people should pay attention, lest menopause or andropause kicks in and it is too late for them to have children.
   figuratively

Equivalents

Examples

“2005 US Department of Health - Your guide to healthy sleep Your biological clock is actually a tiny bundle of cells in your brain that responds to light signals received through your eyes.”

“Her biological clock is ticking.”

“Take Linda, a thirty-nine-year-old newscaster who relished her career but began to hear the alarm ringing on her biological clock.”

CEFR level