non-iridescent

adjective

1. displaying a play of lustrous colors like those of the rainbow.

noun

2. an iridescent cloth, material, or other substance: new fall dresses of imported iridescents.

adjective

1. displaying a spectrum of colours that shimmer and change due to interference and scattering as the observer’s position changes

adj.1796, literally “rainbow-colored,” coined from comb. form of Latin iris (genitive iridis) “rainbow” (see iris). Related: Iridescently.