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