noun
cathode-ray tube; CRT; Braun tube
Technical term for the vacuum tube used in older televisions and monitors. Often abbreviated as CRT in English contexts.
ブラウン管のテレビはもうほとんど見かけなくなった。
CRT televisions are now rarely seen.
この古いモニターはブラウン管を使
This old monitor uses a cathode-ray tube.