Definition of pearl white in US English:

pearl white

noun

  • 1A shade of white resembling the typical colour of a pearl.

  • 2A white pigment containing bismuth, especially one made from basic bismuth nitrate and formerly used as a cosmetic. Also: a white pigment made from crushed mother-of-pearl. Now historical and rare.

adjective

  • Of a shade of white resembling the typical colour of a pearl.

Origin

Early 18th century; earliest use found in Bibliotheca Anatomica. From pearl + white<br>early 19th century; earliest use found in John Hamilton Reynolds (1794–1852), writer and lawyer. From pearl + white [noun].

Pronunciation

pearl white

/ˌpəːl ˈwʌɪt/