| Answer | Crossword Clue |
|---|---|
| refraction | the bending of waves or rays of energy |
| refractions | REFRACTION, the bending of waves or rays of energy |
| radiating | Emit (energy, esp. light or heat) in the form of rays or waves |
| photonuclear | relating to or caused by the incidence of radiant energy (as gamma rays) on atomic nuclei |
| radiation | The emission of energy as electromagnetic waves or as moving subatomic particles, esp. high-energy particles that cause ionization |
| radiations | The emission of energy as electromagnetic waves or as moving subatomic particles, esp. high-energy particles that cause ionization |
