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elec'tron tube"




an electronic device that consists, typically, of a sealed glass bulb containing two or more electrodes: used to generate, amplify, and rectify electric oscillations and alternating currents. Also called electronic tube. Cf. gas tube, vacuum tube.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

electron transportelectron-volt
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