- diffraction (n.)
[diffraction 词源字典]
- 1670s, from French diffraction (17c.) or directly from Modern Latin diffractionem (nominative diffractio), noun of action from past participle stem of Latin diffringere "break apart in pieces," from dis- "apart" (see dis-) + frangere "to break" (see fraction).[diffraction etymology, diffraction origin, 英语词源]