iridesce

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iridesce

The coral reef iridesces with shifting colors in the sunlight.

Definition
  1. Verb (intransitive):
    • To exhibit a play of lustrous, rainbow-like colors that change depending on the angle of view or illumination. This optical phenomenon is caused by the diffraction, interference, or scattering of light from a surface or through a substance.
Usage
  • The verb iridesce describes the action of something showing iridescence. It is an intransitive verb, meaning it does not take a direct object. The subject itself is the thing that displays the shifting colors.
  • It is a formal or literary word, often used in scientific, descriptive, or poetic contexts.
Examples
  • The soap bubble began to iridesce with bands of pink and green as it floated in the sunlight.
  • In the museum, the ancient glass artifact iridesced under the carefully positioned lights.
  • The oil slick on the wet pavement iridesces with a sickly but fascinating spectrum of colors.
  • The hummingbird's throat feathers iridesce, flashing from black to brilliant ruby red as it turns its head.
Advanced Usage
  • Present Participle (iridescing) as Adjective: Used to describe something in the act of displaying iridescence.
    • We watched the iridescing wings of the dragonfly.
  • To cause to iridesce: While "iridesce" itself is intransitive, the effect can be described as being caused.
    • The prism iridesced the beam of light. (This is less common; typically, the light itself is said to iridesce, or the phrase "break into iridescent colors" is used.)
Variants and Related Words
  • Iridescence (n): The visual property of showing iridescent colors.
    • The iridescence of the pearl was breathtaking.
  • Iridescent (adj): Having or showing iridescence.
    • She wore an iridescent silk dress.
  • Iridiscent (adj): A less common, alternative spelling of .
Synonyms
  • Gleam with rainbow colors
  • Shimmer with changing hues
  • Exhibit opalescence (specifically a milky, pearly iridescence)
Antonyms
  • Be matte
  • Be dull
  • Have a flat color
Notes
  • Iridesce is closely related to, but distinct from, opalesce. While both involve shifting colors, specifically implies a milky, pearly luminescence reminiscent of an opal gemstone. Iridesce is the broader term for any rainbow-like color play.
iridesce

The coral reef iridesces with shifting colors in the sunlight.

Verb
  1. be iridescent
    • The corals iridesced under the surface of the clear water