Last Updated：2025/11/21
(electronics) A type of electron tube that controls electron current through vacuum 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.
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vacuum tube
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Source Word
vacuum tube
Noun
Japanese Meaning
電子部品として用いられる真空管。封印されたガラスまたは金属容器内の真空中で電極間を流れる電子を制御し、信号の増幅や整流などを行う装置。
（ plural ）
