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