Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Having the shape of a bipyramid

from the GNU version of the Collaborative International Dictionary of English

  • adj. Consisting of two pyramids placed base to base; having a pyramid at each of the extremities of a prism, as in quartz crystals.

from The Century Dictionary and Cyclopedia

  • In crystallography, having the form of two pyramids joined base to base, as quartz crystals.

Etymologies

From bi- +‎ pyramidal (Wiktionary)

Examples

  • Like a routine play nine hundred and ninety eight spindly human figures stepped forth onto the walls and filed towards the black emptiness arranged around the Core in what a chemist or mathematician might call tetrahedral bipyramidal form.

    365 tomorrows » 2009 » July : A New Free Flash Fiction SciFi Story Every Day

  • Roquette holds about 50 patents relating to the manufacture of its maltitol sweetener, and the patent at the center of this case protects new forms of maltitol crystals, for example bipyramidal maltitol forms, which are designed to maximize performance in the production of chocolate and chewing gum.

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  • The newest - and possibly the best - blue pigment in world history was born, due to manganese ions being structured in an unusual "trigonal bipyramidal coordination" in the presence of extreme heat.

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  • For Father's Love are exchanged; tions will mostly be taken through the lower worlds. the Father's Throne has a n d will "whole light beings" physically bipyramidal and tripyramidal man - 44 However, before other vehi - continue to govern new programs materialize on planets; and planet - ifestations of the Merkabah of cles can enter, the Merkabah must of glory during all stages of our ary beings of physical form ascend Light.

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  • Hornberg A, Tunemalm AK, Ekstrom F (2007) Crystal structures of acetylcholinesterase in complex with organophosphorus compounds suggest that the acyl pocket modulates the aging reaction by precluding the formation of the trigonal bipyramidal transition state.

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  • The newest-and possibly the best-blue pigment in world history was born, due to manganese ions being structured in an unusual "trigonal bipyramidal coordination" in the presence of extreme heat.

    R&D Mag - News

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