Pronunciation: /baɪəˈlɑdʒɪkəl klɑk/
noun A genetically programmed internal timing device that regulates various physiological processes in an organism
A1 My biological clock wakes me up at the same time every morning.
A2 Traveling to different time zones can disrupt your biological clock.
B1 It's important to listen to your biological clock and get enough rest.
B2 Some people have a strong biological clock that allows them to wake up without an alarm.
C1 Understanding how your biological clock works can help improve your overall health.
C2 Research shows that disruptions to the biological clock can have negative effects on mental and physical health.
formal The biological clock regulates our sleep-wake cycle based on the natural circadian rhythm.
informal I always wake up early because my biological clock is set that way.
slang My biological clock is totally messed up from staying up late every night.
figurative As I get older, my biological clock seems to be ticking louder and louder.
biological clocks
more biological clock
most biological clock
biological clock
will be biological clock
has been biological clock
is being biological clock
biological clock
biological clock
to be a biological clock
being a biological clock
biological clocked