Synonyms for electron tube

Most common

tube · vacuum tube · thermionic valve

All synonyms

Noun

Definitions

1. n. 1

   Any of several electronic devices that control electron current through vacuum, gas or vapor between electrodes within a sealed container, usually of glass or metal and often designed to be easily installed in and removed from the equipment in which it is used.

Example sentences

• tube Before putting the cables in, I lubricate the tube.

By length

4 letters

tube¹