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

1905

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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