陰極線管

(1)a vacuum tube in which a hot cathode emits a beam of electrons that pass through a high voltage anode and are focused or deflected before hitting a phosphorescent screen

(2)熱い陰極が電子光線を発し高圧の陽極を通して焦点を結ぶ、あるいは燐光を発するスクリーンにぶつかる前に偏光させられるような真空管