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