Where does this definition of physiological barrier come from?
This entry for physiological barrier is sourced from GetWord Corpus, one of the dictionaries and corpora merged into Lughet.
Does physiological barrier appear elsewhere on Lughet?
Yes — physiological barrier 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.