- refraction (n.)
[refraction 词源字典]
- 1570s, from Late Latin refractionem (nominative refractio) "a breaking up," noun of action from past participle stem of Latin refringere "to break up," from re- "back" (see re-) + comb. form of frangere "to break" (see fraction).[refraction etymology, refraction origin, 英语词源]