Plē'o-năste, n.
n. [Fr. pléonaste, from Gr. πλεόναστος, abundant, rich, from πλεονάζειν, to abound. See supra.] (Min.) A black variety of spinel. Dana.
n. [Fr. pléonaste, from Gr. πλεόναστος, abundant, rich, from πλεονάζειν, to abound. See supra.] (Min.) A black variety of spinel. Dana.