orpiment - n., a lemon-yellow ore of arsenic used as a pigment.
Specifically, arsenic trisulfide, As2S3. Name via Anglo-Norman, from Latin aurum, gold + pigmentum, pigment.
---L.
Specifically, arsenic trisulfide, As2S3. Name via Anglo-Norman, from Latin aurum, gold + pigmentum, pigment.
---L.