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