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5 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 dif·frac·tion /dɪˈfrækʃən/

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 dif·frac·tion /dɪfˈrækʃən/ 名詞

From: Network Terminology


From: Webster's Revised Unabridged Dictionary (1913)

 Dif·frac·tion n.  Opt. The deflection and decomposition of light in passing by the edges of opaque bodies or through narrow slits, causing the appearance of parallel bands or fringes of prismatic colors, as by the action of a grating of fine lines or bars.
    Remarked by Grimaldi (1665), and referred by him to a property of light which he called diffraction.   --Whewell.
 Diffraction grating. Optics See under Grating.
 Diffraction spectrum. Optics See under Spectrum.

From: WordNet (r) 2.0

      n : when light passes sharp edges or goes through narrow slits
          the rays are deflected and produce fringes of light and
          dark bands