Braun tube

noun \ˈbrau̇n-\

Definition of Braun tube

  1. :  a cathode-ray tube with a diaphragm through which a beam of cathode rays can pass and a fluorescent screen on which the beam is received

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Origin and Etymology of braun tube

after Karl F. Braun †1918 German physicist

Seen and Heard

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feeling or affected by lethargy

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