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