octahedron

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octahedron

oc·ta·he·dron

 (ŏk′tə-hē′drən)
n. pl. oc·ta·he·drons or oc·ta·he·dra (-drə)
A polyhedron with eight faces.

[Greek oktaedron, from neuter of oktaedros, having eight sides : okta-, octo- + -edros, sided; see -hedron.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

octahedron

or

octohedron

n, pl -drons or -dra (-drə)
(Mathematics) a solid figure having eight plane faces
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

oc•ta•he•dron

(ˌɒk təˈhi drən)

n., pl. -drons, -dra (-drə).
a solid figure having eight faces.
[1560–70; < Greek oktáedron eight-sided =okta- octa- + -edron -hedron]
oc`ta•he′dral, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

oc·ta·he·dron

(ŏk′tə-hē′drən)
A three-dimensional geometric figure with eight triangular faces.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.octahedron - any polyhedron having eight plane facesoctahedron - any polyhedron having eight plane faces
polyhedron - a solid figure bounded by plane polygons or faces
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
oktaedri
oktaéder
octaedro
oktaeder

octahedron

[ˈɒktəˈhiːdrən] N (octahedrons or octahedra (pl)) [ˈɒktəˈhiːdrə]octaedro m
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

octahedron

nOktaeder m, → Achtflächner m
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
References in periodicals archive ?
Objects that can be constructed using a single large set of magnetic geometric tiles include, but are not limited to: triangular prisms, rectangular prisms, rhomboidal prisms, regular hexagonal prisms, tetrahedrons, square-based pyramids, and octahedrons. Some sets also contain components necessary to make wheeled 'vehicles' of various designs and complexity.
The artwork was designed by American sculptor and public artist Ralph Helmick and boasts more than 1,300 geometric shapes of varying size -- platonic solids, shimmering tetrahedrons, cubes, octahedrons, dodecahedrons and icosahedrons.
Three [Y-[O.sub.4]VW] coordination octahedrons are connected to the hexagonal ring by sharing an [O.sup.2-] on the top of [T[O.sub.4]].
An integral part forms the sheets of octahedrons X[(O, OH).sub.6] which share not only vertexes but also a half of edges.
These octahedrons can serve as handy references for the Principles of Design.
The irregular octahedrons with surface accumulated by plate-like crystals were identified as zeolite-P (Figure 9(b)), consistent with the previously reported in the literature [45].
Nassim Haramein, working with the IVM, saw that the spaces between the tetrahedrons formed octahedrons (24).
They may also appear as octahedrons, oval spheres, or "dumbbells." Calcium is the primary component of most calculi so the presence of calcium oxalate can be an indicator that a patient may be a stone-former, especially if these crystals are routinely found in freshly-voided urine.
Countless swarms of purple pinwheels, yellow flowers, pink twin cuboids, magnetic blue octahedrons, and yellow rockets filled my screen in a flash of color that would make the opening credits of Enter the Void blush.
Relay nodes are deployed next to each other in the 3D space forming tiled truncated octahedrons as presented in [15].
For the octahedrons model (Figures 17 and 18) we have gone through analysis with cubic and parallelepiped models.