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Meaning of astroparticle in English:

astroparticle

Pronunciation /ˈastrə(ʊ)ˌpɑːtɪkl/

noun

Astronomy

  • A subatomic particle of cosmic origin; a cosmic ray particle.

Origin

1990s. Probably partly shortened from astroparticle physics, and partly from astro- + particle, after astroparticle physics.