noun🔗ShareOropimenteArsenic trisulphide, occurring naturally in crystals or massive deposits, formerly used as a dye or pigment"The ancient Egyptians used orpiment to create the bright yellow color in some of their tomb paintings. "Los antiguos egipcios usaban oropimente para crear el color amarillo brillante en algunas de sus pinturas de tumbas.substancematerialmineralchemistrycolorartChat with AIVocabulary GamePractice Reading