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cathode–ray tube

noun

Definition of cathode–ray tube

  1. :  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

CATHODE–RAY TUBE Defined for English Language Learners

cathode-ray tube

noun

Definition of cathode–ray tube for English Language Learners

  • : a large tube that shows a picture on a screen (such as a television or computer screen)

Medical Dictionary

cathode–ray tube

noun

Medical Definition of cathode–ray tube

  1. :  a vacuum tube in which a beam of electrons is projected on a fluorescent screen to produce a luminous spot

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