from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Producing a display of lustrous, rainbowlike colors: an iridescent oil slick; iridescent plumage.
- adj. Brilliant, lustrous, or colorful in effect or appearance: "The prelude was as iridescent as a prism in a morning room” ( Carson McCullers).
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Producing a display of lustrous, rainbow-like colors; prismatic.
- adj. Brilliant, lustrous, or colorful.
from the GNU version of the Collaborative International Dictionary of English
- adj. Having colors like the rainbow; exhibiting a play of changeable colors; nacreous; prismatic. See iridescence.
from The Century Dictionary and Cyclopedia
- Exhibiting or giving out colors like those of the rainbow; gleaming or shimmering with rainbow colors; more generally, glittering with different colors which change according to the light in which they are viewed, without reference to what the colors are; lustrously versicolor; of changeable metallic sheen, as certain birds, insects, minerals, glass, fabrics, etc.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. varying in color when seen in different lights or from different angles
- adj. having a play of lustrous rainbow colors
Coined around 1800, from Latin iris ("rainbow") + -escent. (Wiktionary)