Dī'as-pōre, n.

n. [Gr. διασπορά, a scattering, from διασπείρειν, to scatter about, from διά, through, asunder, and σπείρειν, to sow, to scatter like seed; Fr. diaspore.] (Min.) A mineral consisting of alumina and water. It occurs in lamellar masses and prismatic crystals, with a bright, pearly cleavage, having a whitish, grayish, or greenish color, and characterized by decrepitating with violence (as the name implies) before the blowpipe, although infusible. Dana.