Where does this definition of مەلۇم بولغان ماددا come from?
This entry for مەلۇم بولغان ماددا is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
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.