Pĕn’ta-hĕx/a-hĕ’/dral, a.
a. [Fr. pentahexaèdre, from Gr. πέντε, five, ἕξ, six, and ἕδρα, a seat, base. See HEXAHEDRAL.] (Crystallog.) Exhibiting five ranges of faces, one above another, each range containing six faces.
a. [Fr. pentahexaèdre, from Gr. πέντε, five, ἕξ, six, and ἕδρα, a seat, base. See HEXAHEDRAL.] (Crystallog.) Exhibiting five ranges of faces, one above another, each range containing six faces.