English dictionary
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English noun: cosmic ray | |||
| 1. | cosmic ray (phenomenon) highly penetrating ionizing radiation of extraterrestrial origin; consisting chiefly of protons and alpha particles; collision with atmospheric particles results in rays and particles of many kinds | ||
| Broader (hypernym) | ionizing radiation | ||
| Part meronym | cosmic radiation | ||
Based on WordNet 3.0 copyright © Princeton University.
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Web design: Orcapia v/Per Bang. English edition: .
2024 onlineordbog.dk