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Medical Definition of Photomultiplier tube
1. A detector which amplifies a signal (by as much as 106) of electromagnetic radiation by an acceleration of electrons released from a photocathode through a series of dynodes; as each electron strikes a dynode stage, 3 to 4 electrons are liberated and accelerated to the subsequent dynode. (05 Mar 2000)
Lexicographical Neighbors of Photomultiplier Tube
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