Where does this definition of biological clock come from?
This entry for biological clock is sourced from GetWord Corpus, one of the dictionaries and corpora merged into Lughet.
Does biological clock appear elsewhere on Lughet?
Yes — biological clock appears under other sources or language pairs in Lughet's collection. See the list below.
What is Lughet?
Lughet is a free trilingual dictionary covering nearly five million entries across Uyghur, Chinese, and English, drawn from more than ten source dictionaries and corpora.