Where does this definition of vacuum extraction come from?
This entry for vacuum extraction is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Does vacuum extraction appear elsewhere on Lughet?
Yes — vacuum extraction 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.