An/ti-ēn/ne-a-hē'dral, a.
a. [Gr. ἀντί, opposite to, ἐννέα, nine, and ἕδρα, side.] (Crystallog.) Having nine faces on two opposite parts of the crystal.
a. [Gr. ἀντί, opposite to, ἐννέα, nine, and ἕδρα, side.] (Crystallog.) Having nine faces on two opposite parts of the crystal.