pearl white1
/ˌpəːl ˈwʌɪt/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.
Origin
Early 18th century; earliest use found in Bibliotheca Anatomica. From pearl + white.
pearl white2
/ˌpəːl ˈwʌɪt/adjective
Of a shade of white resembling the typical colour of a pearl.
Origin
Early 19th century; earliest use found in John Hamilton Reynolds (1794–1852), writer and lawyer. From pearl + white n.1.