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