pearl white

noun

1

: any of several white or pearly white substances: such as

a

: bismuth subnitrate especially when used in cosmetics or ceramics

b

: bismuth oxychloride especially when used as a pigment or in cosmetics

c

: a nacreous preparation (as of mother-of-pearl or pearl essence) used in imitating pearls

2

: pearl sense 6b

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

• More than 250,000 words that aren't in our free dictionary
• Expanded definitions, etymologies, and usage notes
• Advanced search features
• Ad free!