Where does this definition of line engraving come from?
This entry for line engraving is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Is line engraving a noun, verb, or something else?
In this entry, line engraving is tagged as 2n..
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.