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