[{"Bold_text": "noun", "List Items": ["Chemistry.a grayish-green to greenish-yellow, crystalline, water-insoluble solid, C12H9NS, used chiefly as an insecticide and vermifuge, and in the synthesis of pharmaceuticals.", "Pharmacology.any of a class of medications used principally to treat psychotic symptoms, as delusions or hallucinations, and excessive excitability."]}]