cathode ray tube

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English[edit]

A cathode ray tube.

Alternative forms[edit]

Noun[edit]

cathode ray tube (plural cathode ray tubes)

  1. (electronics) A vacuum tube that displays still or moving images (such as for a television), by controlling the direction of a cathode ray emitted towards the front of the tube. The front is coated by a layer of fluorescent material, so that it emits light when struck by the beam.

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