| REF | the change in direction of a propagating wave (light or sound) when passing from one medium to another |
|---|---|
| REF | capable of changing the direction (of a light or sound wave) |
| REF | of or relating to or capable of refraction |
| REF | the ratio of the velocity of light in a vacuum to that in a medium |
| REF | the physical property of a medium as determined by its index of refraction |
| REF | the physical property of a medium as determined by its index of refraction |
| REF | measuring instrument for measuring the refractive index of a substance |
| REF | the trait of being unmanageable |
| REF | lining consisting of material with a high melting point |
| REF | resistant to authority or control |
| REF | stubbornly resistant to authority or control |
| REF | marked by stubborn resistance to and defiant of authority or guidance |