dihexagonal-dipyramidal

adjective

Definition of dihexagonal-dipyramidal

: of or characterized by the symmetry of the class of crystals in the hexagonal system having a vertical hexad axis, six horizontal diad axes, six vertical planes, and a horizontal plane of symmetry

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“Dihexagonal-dipyramidal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dihexagonal-dipyramidal. Accessed 25 Feb. 2020.

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