biological clock
1 ENTRIES FOUND:
biological clock
noun
plural
biological clocks
biological clock
noun
plural
biological clocks
Britannica Dictionary definition of BIOLOGICAL CLOCK
[count]
:
a system in the body that controls the occurrence of natural processes (such as waking, sleeping, and aging)
— often used to describe a woman's desire to have children before she is too old
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She felt her biological clock ticking away and wanted to have a baby as soon as possible.
