iridescence

/,iri'desns/
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iridescence

A soap bubble floating in the air shows a beautiful iridescence.

Definition
  1. Noun:
    • The visual property of something having a milky brightness and a play of colors from the surface: Iridescence is the phenomenon where a surface appears to change color as the angle of view or the angle of illumination changes. It is characterized by a soft, luminous shine and shifting rainbow-like colors.
Usage
  • Iridescence is an optical effect, not a pigment. It is caused by the interference, diffraction, or scattering of light from microscopic structures on a surface.
  • It is commonly used to describe the shimmering colors seen on soap bubbles, oil slicks, peacock feathers, certain minerals, and some insect wings.
Examples
  • Noun:
    • The iridescence of the soap bubble fascinated the children.
    • The beetle's shell had a beautiful metallic iridescence.
    • An oil slick on water often shows an iridescent sheen.
Advanced Usage
  • "Iridescence" in Science and Technology: The term is used in physics, biology, and materials science to describe structural coloration.
    • The study focused on the iridescence in butterfly wings, which is created by microscopic scales.
  • Descriptive Use: Often used in poetic or descriptive writing to evoke beauty and light.
    • The pearl's soft iridescence made it seem to glow from within.
Variants and Related Words
  • Iridescent (adj): Having or showing shifting rainbow-like colors.
    • She wore an iridescent dress that shimmered in the light.
  • Iridesce (verb, rare): To be or become iridescent.
    • The film of oil began to iridesce on the wet pavement.
Synonyms
  • Opalescence: A similar play of colors, but often with a milky-white or pearly background, like an opal.
  • Lustre (or Luster): A gentle sheen or soft glow, though not necessarily involving multiple shifting colors.
  • Shimmer: A soft, wavering light, which can imply iridescence.
Idioms and Phrases
  • While there are no common idioms using the word "iridescence" itself, the concept is often described with phrases like:
    • "A play of colors": This phrase is central to the definition of iridescence.
    • "Shimmering like a pearl": Evokes the soft, multicolored glow characteristic of iridescence.
iridescence

A soap bubble floating in the air shows a beautiful iridescence.

Noun
  1. the visual property of something having a milky brightness and a play of colors from the surface

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