'Diaspore' definitions:

Definition of 'Diaspore'

From: GCIDE

Diaspore \Di"a*spore\, n. [From Gr. ? a scattering; dia` through, asunder + ? to sow, scatter like seed: cf. F. diaspore.] (Min.) A hydrate of alumina, often occurring in white lamellar masses with brilliant pearly luster; -- so named on account of its decrepitating when heated before the blowpipe. [1913 Webster]