Where does this definition of extension telephone come from?
This entry for extension telephone is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Is extension telephone a noun, verb, or something else?
In this entry, extension telephone is tagged as 2n..
Does extension telephone appear elsewhere on Lughet?
Yes — extension telephone 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.