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Definition of Vacuum Tube in English :

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Vacuum Tube

see synonyms of vacuum tube

Noun

1. electron tube, thermionic tube, thermionic vacuum tube, thermionic valve, tube, vacuum tube

electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope

WordNet Lexical Database for English. Princeton University. 2010.

Vacuum Tube

see synonyms of vacuum tube
noun
another name for valve (sense 3)

Collins English Dictionary. Copyright © HarperCollins Publishers

Vacuum Tube

see synonyms of vacuum tube
an electron tube from which the air has been evacuated to the highest possible degree

Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.

Vacuum Tube

see synonyms of vacuum tube
n.
An electron tube from which all or most of the gas has been removed, permitting electrons to move with low interaction with any remaining gas molecules.

The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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