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