Eū-dĭ'al-yte, n.

noun

n. [Gr. εὖ, easily, and διαλύειν, to dissolve.] (Min.) A mineral of a brownish-red color and vitreous luster, consisting chiefly of the silicates of iron, zirconia, and lime; — so called from the ease with which it is dissolved in acids. Dana.