astroparticle

A1S1T1R1O1P3A1R1T1I1C3L1E1

noun

A subatomic particle of cosmic origin

OriginEnglish particle ← Ancient Greek ᾰ̓́στρον (ắstron) ← Proto-Hellenic *astḗr →
UncommonScrabble 17
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Meanings

nounastroparticle (plural astroparticles)

plural astroparticles

  1. astrophysicsA subatomic particle of cosmic origin

Origin

  1. Proto-Indo-European*h₂eHs-
  2. Proto-Indo-European*h₂stḗr
  3. Proto-Hellenic*astḗr
  4. Ancient Greekἀστήρ (astḗr)
  5. Ancient Greekᾰ̓́στρον (ắstron)
  6. Englishastro-
  7. Englishparticle
  8. Englishastroparticle

From astro- + particle.

Full word history & related roots →
Cite this entry
APA

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

MLA

“astroparticle.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/astroparticle. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “astroparticle,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/astroparticle.

Source: astroparticle on Wiktionary, CC BY-SA 4.0.