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more about diffraction
diffraction |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Diffraction \Dif*frac"tion\, n. [Cf. F. diffraction.] (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 1.6 [wn]: diffraction n : when light passes sharp edges or goes through narrow slits the rays are deflected and produce fringes of light and dark bands
more about diffraction
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