Refraction

Webster's Practical Dictionary- A Practical Dictionary of the Englih Language · 1884 · p. 352
n. Act of, or state of being, etc.; the » b, ve el, lower part change in the direction of with water; s I, light in straight a ray of light, heat, etc., when it enters obliquely a rp a, ray of light refract medium of a different dened; Q, q, perpendicular. sity from that through which it has previously moved. — Refract'ory, -o-rT, a. Sullen or perverse in opposition or disobedience; not readily yielding to heat, or to the hammer, as metals; reduction, — Refragable, -ra-ga-bl, a. Capable of being futed; refutable.
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