qinghaosu Syllabification: (qing·hao·su)Pronunciation: /ˌCHiNGgouˈso͞o/Definition of qinghaosu noun a terpene-based anti-malarial substance used in Chinese medicine. The drug is obtained from Artemisia annua, family Compositae Origin: 1970s: from Chinese qīnghāosù, from qīnghāo, denoting a medicinal plant of the genus Artemisia
