n. The condition or state of being iridescent; exhibition of colors like those of the rainbow; a prismatic play of color.
n. Any shimmer of glittering and changeable colors.
the GNU version of the Collaborative International Dictionary of English
n. Exhibition of colors like those of the rainbow, especially a surface reflection which changes color with the angle at which the object is viewed; the quality or state of being iridescent; a prismatic play of color. It is due to interference of light waves reflected from the front and back surfaces of a thin layer transparent or semitransparent film.
The Century Dictionary and Cyclopedia
n. The condition of being iridescent; exhibition of alternating or intermingling colors like those of the rainbow, as in mother-of-pearl, where it is an effect of interference (see interference, 5); any shimmer of glittering and changeable colors.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the visual property of something having a milky brightness and a play of colors from the surface
Word Usage
"This is what we call iridescence without illumination."