Term: 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
Candidate hypernym: ionizing radiation: high-energy radiation capable of producing ionization in substances through which it passes → 1
Candidate hypernym: archine: a Russian unit of length (71 cm) → 0
Candidate hypernym: fiber: any of several elongated, threadlike cells (especially a muscle fiber or a nerve fiber) → 0
Candidate hypernym: oilman: a person who owns or operates oil wells → 0
Candidate hypernym: telescopy: the art of making and using telescopes → 0
Candidate hypernym: prompter: someone who assists a performer by providing the next words of a forgotten speech → 0
Candidate hypernym: native hawaiian: a member or descendant of the indigenous Polynesian people who lived in the Hawaiian Islands → 0
Candidate hypernym: ozone layer: a layer in the stratosphere (at approximately 20 miles) that contains a concentration of ozone sufficient to block most ultraviolet radiation from the sun → 0
Candidate hypernym: fire hose: a large hose that carries water from a fire hydrant to the site of the fire → 0
Candidate hypernym: basket fern: giant epiphytic or lithophytic fern; Asia to Polynesia and Australia → 0
Candidate hypernym: genus nostoc: type genus of the family Nostocaceae: freshwater blue-green algae → 0