Definition of yellowface in US English:

yellowface

noun

  • Makeup used by a non-East Asian performer playing the role of an East Asian person.

    ‘that particular Chinese detective was invariably played by a white actor in yellowface’
    as modifier ‘her yellowface makeup and broken speech caricature the Chinese culture she represents’

Pronunciation

yellowface

/ˈyelōˌfās//ˈjɛloʊˌfeɪs/