Meaning of DIFFRACTION
| Pronunciation: | | di'frakshun
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 WordNet Dictionary |
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| | Definition: | | [n] when light passes sharp edges or goes through narrow slits the rays are deflected and produce fringes of light and dark bands |
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| | See Also: | | optical phenomenon, X-ray diffraction | |
| Webster's 1913 Dictionary |
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| | Definition: | | \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}.
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| Thesaurus Terms |
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| | Related Terms: | | amplitude, antinode, attenuation, broadcast, broadcasting, circumfusion, crest, de Broglie wave, deflection, deflexure, diffusion, dilution, dispensation, dispersal, dispersion, dissemination, dissipation, distortion, distribution, divergence, electromagnetic radiation, electromagnetic wave, evaporation, expansion, flection, flexure, fragmentation, frequency, frequency band, frequency spectrum, guided wave, in phase, interference, light, longitudinal wave, mechanical wave, node, out of phase, peppering, period, periodic wave, propagation, publication, radiation, radio wave, ray, refraction, reinforcement, resonance, resonance frequency, scatter, scattering, scatterment, seismic wave, shock wave, shotgun pattern, skewness, sound wave, sowing, spattering, splay, spread, spreading, sprinkling, strewing, surface wave, tidal wave, torsion, transverse wave, trough, volatilization, wave, wave equation, wave motion, wave number, wavelength |
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