COSMIC RAY as NOUN

1. Meaning
   • 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
   Hypernyms(s) cosmic ray is a kind of… Example: animal is a hypernym of mammal, plant is a hypernym of flower
   • ionizing radiation (what does ionizing radiation mean?)