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