Where does this definition of concave mirror come from?
This entry for concave mirror is sourced from GetWord Corpus, one of the dictionaries and corpora merged into Lughet.
Is concave mirror a noun, verb, or something else?
In this entry, concave mirror is tagged as 2n..
Does concave mirror appear elsewhere on Lughet?
Yes — concave mirror 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.