What is another word for thermionic tube?
Pronunciation: [θˌɜːmɪˈɒnɪk tjˈuːb] (IPA) 
A thermionic tube, also known as a vacuum tube, is a device that uses a vacuum to control the flow of electrons between electrodes. There are many synonyms for this device, including electron tube, valve, vacuum valve, and radio tube. These synonyms are often used in different contexts, with some focused on the technology itself, while others may be more specific to certain applications, such as radio broadcasting or audio amplification. Regardless of the term used, the thermionic tube remains an important part of electronic history, paving the way for modern electronics and communication technology.
