
en.wikipedia.org/wiki/Bipyramid
Bipyramid faces, projected as spherical triangles, represent the fundamental domains in the dihedral symmetry D nh. Indeed, an ntonal bipyramid can be seen as the Kleetope of the respective ngonal dihedron. Volume. The volume of a bipyramid is V = 2 / 3 Bh where B is the area of the base and h the height from the base

www.merriamwebster.com/dictionary/bipyramid
Bipyramid definition is  a crystal consisting of two identical pyramids base to base.

www.dictionary.com/browse/bipyramid
Bipyramid definition, a form symmetrical about a plane dividing it into two pyramids. See more.

math.wikia.org/wiki/Bipyramid
An ngonal bipyramid or dipyramid is a polyhedron formed by joining an ngonal pyramid and its mirror image basetobase. The referenced ngon in the name of the bipyramids is not an external face but an internal one, existing on the primary symmetry plane which connects the two pyramid halves. The facetransitive bipyramids are the dual polyhedra of the uniform prisms and will generally have ...

www.thefreedictionary.com/bipyramid
Define bipyramid. bipyramid synonyms, bipyramid pronunciation, bipyramid translation, English dictionary definition of bipyramid. n a geometrical form consisting of two pyramids with a common polygonal base. Bipyramid  definition of bipyramid by The Free Dictionary.

www.wordreference.com/definition/bipyramid
bipyramid  WordReference English dictionary, questions, discussion and forums. All Free.

www.thefreedictionary.com/bipyramidal
The compound, showed distorted pentagonal bipyramidal coordination geometry due to the larger cationic radius of the potassium.

medicaldictionary.thefreedictionary.com/bipyramidal
bipyramidal adjective Consisting of 2 pyramids placed base to base; having a pyramid at each of the extremities.

mrprintables.com/blog/origamibipyramidtutorialwhattodowiththem
The shape of this geometric origami is called â€˜Triangular Bipyramidâ€™. I know, a bit tricky for kids, but the origami itself is the easiest to make and has many fun uses. To remember this name is actually straight forward. Bipyramid means two pyramid shapes mirrored back to back, and this pyramid has triangular sides, so there you go.

rechneronline.de/pi/bipyramid.php
Bipyramid Calculator. Calculations at a bipyramid. A bipyramid is a general pyramid with its mirror image attached at its base. The surface of a bipyramid is twice the surface of the original pyramid minus twice the base surface (or is the sum of the triangle surfaces). Enter two values and choose the number of decimal places. Then click Calculate.