biological clock

1 ENTRIES FOUND:
Save
biological clock noun
plural biological clocks
biological clock
noun
plural biological clocks
Learner's 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
Comments & Questions
Comments & Questions
What made you want to look up biological clock? Include any comments and questions you have about this word.
LEARNER'S WORD OF THE DAY
Visible Illustration