iridescence


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iridescence

(ĭr'ədĕs`əns), exhibition of rainbowlike colors on a surface. It usually results from interferenceinterference,
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.
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 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).

iridescence

The appearance of the rainbowlike colors that are occasionally observed in high clouds. Also known as irisation.
References in periodicals archive ?
Notice how the vessel reflects the environment and note the many iridescence colours.
The iridescence is only visible when the wing is viewed at an angle.
Seven contributions offer an overview of natural photonic structures and coverage of optical applications of biomolecules, polarization effects and their applications, biomimetic nanostructures for anti-reflection devices, control of iridescence (the case of butterfly scales), optical materials using silk, and fluorescence control in natural green fluorescent protein-based photonic structures of reef corals.
Fish do see in color and use it to hunt for food, but as a fishing lure sinks into water, the deeper it goes, the less light penetrates, and the lure loses iridescence, color, and contrast.
Iridescence appears to shine because it reflects light of a certain color, bouncing it back like a mirror.
The quills are spun into a continuous thread that infuses their natural iridescence into a hand-loomed textile for upholstery or clothing.
Witnessing the iridescence of an assortment of metallic beetles, observing howler monkeys swinging atop the canopy, and scaling the forest trees with specialized climbing gear are just some of the excursions your students are offered.
50) with a touch of iridescence - the colours a trio of slightly metallic ivory, lavender and taupe; Eyes to Kill shadows (pounds 24.
1930s music critics were unconvinced by the work, but under Petrenko the musical romantic, the likeably lush and sweeping score took on an elegant iridescence from its radiant opening to a rumbustious finale.
Created in dichroic glass and stainless steel, the sculpture's many attributes, iridescence, prismatic colors, and reflectivity were a constant in the interior space design.
For example, observations of the iridescence of butterfly wings gave rise to new high-resolution video screens.