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Refossion
- The act of digging up again.
Refractable
- Capable of being refracted.
Refractor
- Anything that refracts; specifically: (Opt.) A refracting telescope, in which the image to be viewed is formed by the refraction of light in passing through a convex lens.
Refractorily
- In a refractory manner; perversely; obstinately.
Refragable
- Capable of being refuted; refutable.