Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
thermionic vacuum tube | Yes | No | No | No |
magnetron | Yes | No | No | No |
thermionic vacuum tube (noun) | magnetron (noun) |
---|---|
electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope | a diode vacuum tube in which the flow of electrons from a central cathode to a cylindrical anode is controlled by crossed magnetic and electric fields; used mainly in microwave oscillators |