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