Vocab Bloom Hub

cathode ray

/ˈkæθəʊd reɪ/

1 entry

phrase

/ˈkæθəʊd reɪ/C1formaltechnicalobsolete
  • ruВакуумная трубка, которая производит пучок электронов, исторически использовавшаяся в старых телевизорах и компьютерных мониторах до появления технологии плоских экранов.

A vacuum tube that produces a beam of electrons, historically used in older television sets and computer monitors before the advent of flat-screen technology.

  1. Electron beamC1formal

    A stream of electrons emitted from the cathode in a vacuum tube, used in old television and computer monitors.

    ruЭлектронный луч

    • Cathode rays were first observed in the 19th century.
    • The cathode ray tube (CRT) was the basis for early televisions.
    • Scientists used cathode rays to discover the electron.