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