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PXR. In DICTIOUS you will not only get to know all the dictionary meanings for the word
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English
Noun
PXR (uncountable)
- (physics) Initialism of parametric X-ray radiation, X-ray radiation emitted when relativistic charged particles, like electrons, interact with crystals. Originally predicted by the Soviet scientists Vladimir G. Baryshevsky and Ilya D. Feranchuk.
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