陰いん極きょく線せんいんきょくせんMeanings1nouncathode rayTechnical term in physics for a stream of electrons emitted from a cathode in a vacuum tube.陰いん極きょく線せんはブラウン管かんの原げん理りに使つかわれている。Cathode rays are used in the principle of cathode-ray tubes.
