nacreous.

Having the lustrous appearance or substance of mother-of-pearl.

Use it for

Words that belong together

• nacreous sheen
• nacreous shell

On the page

A nacreous sheen covered the inside of the broken shell.

Nacreous clouds glimmered above the winter horizon.

Usage notes

Primary category: literary. Forms: Usually non-gradable as a material or optical classification. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.