Where does this definition of electron tube come from?
This entry for electron tube is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Does electron tube appear elsewhere on Lughet?
Yes — electron tube 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.
