English
Detailed Synonyms for cosmic ray in English
cosmic ray:
cosmic ray [the ~] noun
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the cosmic ray
– 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 1the cosmic ray– 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 1