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iridescence
(redirected from Chromatic shift)

    Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.02 sec.
iridescence (ĭr'ədĕs`əns), exhibition of rainbowlike colors on a surface. It usually results from interference interference, in physics, the effect produced by the combination or superposition of two systems of Waves, in which these waves reinforce, neutralize, or in other ways interfere with each other.
..... Click the link for more information.  when light composed of different wavelengths is reflected from the superficial layers of organic or inorganic substances, e.g., minerals, mother-of-pearl, and the feathers of birds. Iridescence greatly enhances the value of certain gems.
iridescence [‚ir·ə′des·əns]
(optics)
A rainbow color effect exhibited in various bodies as a result of interference in a thin film (as of soap bubbles or mother of pearl) or of diffraction of light reflected from a ribbed surface (as of the plumage of some birds).
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Any sense of naturalism is then further obscured or even obliterated by the skeins of painterly glitches and strange chromatic shifts that are Doig's signature.
Peter Doig: Arts Club of Chicago by Higgs, Matthew / Artforum International
 
 
 
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