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