Where does this definition of subtraction sign come from?
This entry for subtraction sign is sourced from GetWord Corpus, one of the dictionaries and corpora merged into Lughet.
Is subtraction sign a noun, verb, or something else?
In this entry, subtraction sign 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.