noun
Technical term for the vacuum tube used in older televisions and oscilloscopes.
古いテレビには陰極線管が使われている。
Old televisions use a cathode-ray tube.
ブラウン管 is a more common term for CRT, especially in consumer electronics. 陰極線管 is a direct technical translation and less frequent in everyday speech.
Compound of 陰極線 (cathode ray) and 管 (tube), a direct calque of the English term.