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