Where does this definition of sine qua non come from?
This entry for sine qua non is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Is sine qua non a noun, verb, or something else?
In this entry, sine qua non is tagged as n..
Does sine qua non appear elsewhere on Lughet?
Yes — sine qua non 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.