Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary


noun or·pi·ment \ˈȯr-pə-mənt\

Definition of orpiment

  1. :  a rare orange to lemon-yellow mineral consisting of a native trisulfide of arsenic

Origin and Etymology of orpiment

Middle English, from Anglo-French, from Latin auripigmentum, from aurum + pigmentum pigment

First Known Use: 14th century

Learn More about orpiment

Seen and Heard

What made you want to look up orpiment? Please tell us where you read or heard it (including the quote, if possible).