Bible Dictionaries
Orpiment

Webster's Dictionary

(n.) Arsenic sesquisulphide, produced artificially as an amorphous lemonyellow powder, and occurring naturally as a yellow crystalline mineral; - formerly called auripigment. It is used in king's yellow, in white Indian fire, and in certain technical processes, as indigo printing.

Bibliography Information
Webster, Noah. Entry for 'Orpiment'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​o/orpiment.html. 1828.