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