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vacuum tube vs cathode

cathode vs vacuum tube

vacuum tube and cathode both are nouns.

Word NounAdjectiveVerbAdverb
vacuum tube Yes No No No
cathode Yes No No No
vacuum tube (noun) cathode (noun)
electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope a negatively charged electrode that is the source of electrons entering an electrical device
the positively charged terminal of a voltaic cell or storage battery that supplies current
Difference between vacuum tube and cathode

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