pxr

Fetched 2026-10-26 (cache).

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Noun

1. {{lb|en|physics}} {{initialism of|en|[[parametric]] [[X-ray]] [[radiation]]}}, X-ray radiation emitted when [[relativistic]] charged [[particle]]s, like electrons, interact with [[crystal]]s. Originally predicted by the Soviet scientists Vladimir G. Baryshevsky and Ilya D. Feranchuk.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.