delta ray

noun

An electron ejected by recoil when a rapidly moving alpha particle or other charged particle passes through matter.

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Meanings

noundelta ray (plural delta rays)

plural delta rays

  1. natural sciencesAn electron ejected by recoil when a rapidly moving alpha particle or other charged particle passes through matter.
  2. natural sciencesA secondary ionizing particle ejected by recoil when a primary particle passes through matter.
Cite this entry
APA

delta ray. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/delta%20ray

MLA

“delta ray.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/delta%20ray. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “delta ray,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/delta%20ray.

Source: delta ray on Wiktionary, CC BY-SA 4.0.