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Definition of cathode ray in English: cathode raynoun A beam of electrons emitted from the cathode of a high-vacuum tube. Example sentencesExamples - One member of the radio society even has a major collection of cathode ray oscilloscopes, which he displays along one complete wall in his home.
- Inside this glass tube, evacuated of air, a negatively charged and heated metal plate emitted a beam - a cathode ray - that could be focused and accelerated by its attraction towards a positively charged plate.
- Cold cathode ray technology illuminates the instrument faces, while the indicators are backlit.
- TV detector vans do not work by picking up radiation from the cathode ray tube
- This sends information to the cathode ray in the back of your television, which projects it onto the screen.
Definition of cathode ray in US English: cathode raynounˈkaˌTHōd ˌrā A beam of electrons emitted from the cathode of a high-vacuum tube. Example sentencesExamples - Cold cathode ray technology illuminates the instrument faces, while the indicators are backlit.
- TV detector vans do not work by picking up radiation from the cathode ray tube
- Inside this glass tube, evacuated of air, a negatively charged and heated metal plate emitted a beam - a cathode ray - that could be focused and accelerated by its attraction towards a positively charged plate.
- One member of the radio society even has a major collection of cathode ray oscilloscopes, which he displays along one complete wall in his home.
- This sends information to the cathode ray in the back of your television, which projects it onto the screen.
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