biological clocknoun [ C ]
uk/baɪ.əˌlɒdʒ.ɪ.kəl ˈklɒk/us/baɪ.əˌlɑː.dʒɪ.kəl ˈklɑːk/your body's natural habit of sleeping, eating, growing, etc. at particular times:
Long-haul flights can seriously disrupt your biological clock.
Thesaurus: synonyms and related words
Animal & plant biology - general words
- abiotic
- anatomical
- anatomically correct
- anatomy
- artificial selection
- assimilate
- biological
- biologist
- biophysics
- biotechnology
- body clock
- entomology
- food web
- food chain
- geotropism
- motility
- naturalist
- poikilothermic
- sting
- zoology
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Idiom(s)
sb's biological clock is ticking