Where does this definition of oxygen mask come from?
This entry for oxygen mask is sourced from GetWord Corpus, one of the dictionaries and corpora merged into Lughet.
Is oxygen mask a noun, verb, or something else?
In this entry, oxygen mask is tagged as 2n..
Does oxygen mask appear elsewhere on Lughet?
Yes — oxygen mask 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.