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