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diffraction Definition
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diffraction
noun(dif-frac-tion)a modification which light undergoes especially in passing by the edges of opaque bodies or through narrow openings and in which the rays appear to be deflected; also : a similar modification of other waves (such as sound waves) or of moving particles (such as electrons)
diffraction
noun(dif-frac-tion)grating
diffraction
noun(dif-frac-tion)a scattering of X-rays by the atoms of a crystal that produces an interference effect so that the diffraction pattern gives information on the structure of the crystal or the identity of a crystalline substance