(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.
Example Sentences:
Realgar
Definition:
(n.) Arsenic sulphide, a mineral of a brilliant red color; red orpiment. It is also an artificial product.
Example Sentences:
(1) A mass survey and follow-up examinations to screen lung cancer victims at hunan realgar mine have been carried out over three years.
(2) Since 1984, mass screening for cancer has been carried out in the realgar and tin mines, high incidence areas of lung cancer.