Dynode meaning

dīnōd
An electrode used in certain electron tubes to provide secondary emission.
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An electrode in a photomultiplier electron tube designed so that each impinging electron causes the emission of two or more secondary electrons.
noun
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An electrode used in certain electron tubes, especially photomultipliers, to provide secondary emission. Dynodes are arranged by increasing voltage between the cathode and anode of the tube, each attracting the cascade of electrons from the one behind it, and releasing more electrons to the next.
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(physics) Any of a series of electrodes within a photomultiplier tube.
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Origin of dynode

  • Greek dunamis power dynamic –ode

    From American Heritage Dictionary of the English Language, 5th Edition