Definition of Vacuum tube

1. Noun. Electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope.


Medical Definition of Vacuum tube

1. A glass tube from which the air has been removed, containing two or more electrodes, between which passes an electrical current or spark; used in the production of X-rays, or to control circuits. Previously in wide use, the vacuum tube has been supplanted by transistors in electronic circuits. (05 Mar 2000)

Lexicographical Neighbors of Vacuum Tube

vacuum casting
vacuum chamber
vacuum cleaner
vacuum curettage
vacuum desiccator
vacuum disk phenomenon
vacuum extractor
vacuum flask
vacuum flask
vacuum gage
vacuum gauge
vacuum headache
vacuum pan
vacuum pump
vacuum tube (current term)
vacuum tube (current term)
vadantes
vade
vaded
vades
vade mecum
vading
vadose
vadum
Vaduz
vae
vaes
vag
vagabond
vagabond

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