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