orpiment meaning in English

n.
【矿物】雄黄，三硫化二砷。

Using flotation method to recover orpiment from flotation tailings of realgar and its mechanism
从雄黄浮选尾矿中浮选回收雌黄及机理
Aims : providing services to enhancing the quality of the young rural entrepreneurs as well as boosting the member enterprise economic returns , improving the prosperity of the chinese rural economy and the devil orpiment of the society
协会宗旨是:为提高乡镇企业青年厂长（经理）的素质服务，为提高会员企事业经济效益服务，为促进中国农村经济繁荣和社会发展服务。