Jisho

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Noun
1. cathode ray
Wikipedia definition
2. Cathode rayCathode rays (also called an electron beam or e-beam) are streams of electrons observed in vacuum tubes. If an evacuated glass tube is equipped with two electrodes and a voltage is applied, the glass opposite of the negative electrode is observed to glow, due to electrons emitted from and travelling perpendicular to the cathode (the electrode connected to the negative terminal of the voltage supply).
Read “Cathode ray” on English Wikipedia
Read “陰極線” on Japanese Wikipedia
Read “Cathode ray” on DBpedia

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