tubo de rayos catódicos

== Spanish == === Noun === tubo de rayos catódicos m (plural tubos de rayos catódicos) cathode ray tube === Further reading === “tubo de rayos catódicos”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025