Webster dictionary was developed by Noah Webster in the beginning of 19th century. On this website, you can find definition for orpiment from the 1913 edition of Webster's Revised Unabridged Dictionary. Define orpiment using one of the most comprehensive free online dictionaries on the web.

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orpiment
Part of Speech: noun
Results: 1
1. 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.
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