Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
thermionic tube | Yes | No | No | No |
cathode | Yes | No | No | No |
thermionic 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 |