picture tube

noun
a cathode-ray tube with a screen at one end on which televised images are reproduced.

Origin:
1935–40

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
picture tube
 
n
another name for television tube

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Example sentences
Manufacturers are responding by designing a much shallower picture tube.
But the days of the space-hogging picture tube do seem numbered.
Films containing metal salts are bound to picture tube screens by baking off similar binders.
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