Dictionary
cathode–ray tube
noun
: a large tube that shows a picture on a screen (such as a television or computer screen)
Full Definition of CATHODE-RAY TUBE
: a vacuum tube in which a beam of electrons is projected on a phosphor-coated screen to produce a luminous spot at a point on the screen determined by the effect on the electron beam of a variable magnetic field within the tube
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First Known Use of CATHODE-RAY TUBE
1905
Medical Dictionary
cathode–ray tube
noun
Medical Definition of CATHODE–RAY TUBE
: a vacuum tube in which a beam of electrons is projected on a fluorescent screen to produce a luminous spot
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