【化】 potassium tetrathionate
company; connect; join; link; even; in succession; including
【医】 sym-; syn-
four
【医】 quadri-; Quat; quattuor; tetra-
【化】 glazier's salt; potassium sulfate; vitriolate of tartar
【医】 kalium sulfuricum; potassium sulfate; sal de duobus; vitriolated tartar