Noun colour tv tube has 1 sense
  1. color tube, colour tube, color television tube, colour television tube, color TV tube, colour TV tube - a television tube that displays images in full color
    --1 is a kind of kinescope, picture tube, television tube
    --1 is a part of
     color television, colour television, color television system, colour television system, color TV, colour TV
    --1 has particulars:
     tricolor television tube, tricolour television tube, tricolor tube, tricolour tube
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