One of the mysteries of the English language finally explained.
An intermediate electrode which emits additional electrons in a photomultiplier or similar amplifying device.
- ‘A gating circuit that inverts the polarity of dynodes 1 and 3, for up to 1.5 ms after the laser pulse, protects the photomultiplier from the intense prompt fluorescence light pulse.’
1930s: from Greek dunamis ‘power’ + -ode.
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