pearl iridescence; pearly luster
Refers to the soft, rainbow-like sheen characteristic of pearls. Used in contexts such as gemology, art, and product descriptions.
This pottery has a pearly iridescence.
Nail polish with a pearl luster is popular.
Compound of 真珠 (pearl) and 光 (light, shine). The exact historical derivation is uncertain, but the term transparently describes the pearly sheen.