Undulating play of colour. Obsolete.

Chatoyant quality or lustre.

The quality of being iridescent; the intermingling and interchange of brilliant colours as in the rainbow, soap-bubbles, and mother-of-pearl; a…

= peacock-tail tarnish n. at peacock's tail, n. compounds. Obsolete.

Changing or undulating lustre; play of colour.

Colour due to reflection; lustre, iridescence; spec. a metallic lustre on ceramics. Also figurative.

The essential quality of nacre.

The action or process of showing prismatic colours as in the rainbow; irisation.

Iridescence resembling that of nacre.