| polarograph(noun, energy, ray, rays, physics) |
| spectrometer(noun, energy, ray, rays, physics) |
| cathode ray(expression, chemistry, radiate, rays, radiation) |
| power(noun, use, tool, ray, radiation) |
| diffraction(noun, energy, rays, electronics) |
| diffractometry(noun, energy, rays, electronics) |
| display(noun, energy, rays, electronics) |
| emitter(noun, energy, rays, electronics) |
| illumination(noun, energy, rays, electronics) |
| monoscope(noun, energy, rays, electronics) |
| oscillograph(noun, energy, rays, electronics) |
| oscilloscope(noun, energy, rays, electronics) |
| phosphor(noun, energy, rays, electronics) |
| picture tube(noun, energy, rays, electronics) |
| study(noun, energy, rays, electronics) |
| terminal(noun, energy, rays, electronics) |
| transformer(noun, energy, rays, electronics) |
| accelerator(noun, ray, physics, technics) |
| actinic rays(expression, chemistry, rays, radiation) |
| actinometer(noun, use, tool, ray, radiation) |