Where does this definition of circulation index come from?
This entry for circulation index is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Does circulation index appear elsewhere on Lughet?
Yes — circulation index 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.