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