A regular octahedron is a solid composed of eight equilateral triangles, four of which meet at each vertex. From LearnThat.org.
“A tetragon that acts like an octahedron,” the Doctor said. From Wordnik.com. [Update] Reference
It said that the diamond is octahedron in shape and is expected to yield a high value. From Wordnik.com. [ANC Daily News Briefing] Reference
Similarly, an icosahedron may be constructed inside the octahedron, at the concentric heart of the entire ensemble. From Wordnik.com. [Architecture and Memory: The Renaissance Studioli of Federico da Montefeltro] Reference
The pattern spread over the entire screen ... except in three places, where the hexagonal form splintered around an octahedron. From Wordnik.com. [Mirage]
He also suggested that these neighbours are arranged in a certain way, e.g., in the corners of an octahedron if they are six in number. From Wordnik.com. [The Nobel Prize in Chemistry 1983 - Presentation Speech] Reference
The positrons are interacting with the aluminum atoms and transferring themselves like an electrical current from octahedron to octahedron. From Wordnik.com. [Mirage]
Native gold is found crystallised in the forms of the octahedron, the cube, and the dodecahedron, of which the cube is considered as the primary form. From Wordnik.com. [Punch, or the London Charivari, Volume 100, March 7, 1891] Reference
It will not be hard to draw a cube or an octahedron in this way; indeed, the first stereoscopic figures were pairs of outlines, right and left, of solid bodies, thus drawn. From Wordnik.com. [The Atlantic Monthly, Volume 03, No. 20, June, 1859] Reference
It includes the kaleidocycle rotating octahedron animation. From Wordnik.com. [iMechanica - Comments] Reference
The form is a cube modified to an octahedron and a rhombic dodecahedron. From Wordnik.com. [To The Gold Coast for Gold, Vol. II A Personal Narrative] Reference
I noticed Ruggero's reference to rotating octahedron animations that I made. From Wordnik.com. [iMechanica - Comments] Reference
It was in the form of an obtuse octahedron, and on one side was quite smooth and transparent. From Wordnik.com. [The Privateersman] Reference
They found, however, that the tri-tetrahedron occurs 20 times more often than the octahedron. From Wordnik.com. [PhysOrg.com - latest science and technology news stories] Reference
Six particles can form into a symmetrical octahedron and into a more complex tri-tetrahedron shape. From Wordnik.com. [PhysOrg.com - latest science and technology news stories] Reference
These elements can form into shapes including a basic octahedron, or a more complex tri-tetrahedron. From Wordnik.com. [Softpedia News - Global] Reference
One would cut a piece of alum into the ordinary octahedron form and scrape it so as to round off the edges. From Wordnik.com. [Reminiscences of a South African Pioneer] Reference
Two of these generate the cube and the octahedron; five of these generate the dodecahedron and the icosahedron. From Wordnik.com. [Occult Chemistry Clairvoyant Observations on the Chemical Elements] Reference
The members of the group are all tetrads, and have eight funnels, opening on the eight faces of the octahedron. From Wordnik.com. [Occult Chemistry Clairvoyant Observations on the Chemical Elements] Reference
A visit to Wikipedia reveals an octahedron is a polyhedron with eight faces, but of course you knew that already. From Wordnik.com. [FasterLouder.com.au > Your Access All Areas pass to the latest in Australian rock music! News, Reviews, Photos, Forums and more] Reference
We have again the funnel with its ovoids, but now there are eight funnels opening on the eight faces of the octahedron. From Wordnik.com. [Occult Chemistry Clairvoyant Observations on the Chemical Elements] Reference
I took it, and saw it had the form of a regular octahedron, with the curved faces peculiar to the most precious of minerals. From Wordnik.com. [The Door in the Wall and Other Stories] Reference
So because an octahedron gives the sides of two pyramids (8 = 4 x 2), a particle of air is resolved into two particles of fire. From Wordnik.com. [Timaeus] Reference
Page view page image: the cube, the pyramid and the sphere; the tetrahedron, the octahedron, the icosahedron and the dodecahedron. From Wordnik.com. [A History of New York] Reference
There were also two lengths of black PVC piping and an octahedron a little larger than a basketball made of metal in the background. From Wordnik.com. [The L Magazine - New York City's Local Event and Arts & Culture Guide] Reference
Though we cannot really see all the sides of the octahedron at once, we can make a projection of it that suits our purpose just as well. From Wordnik.com. [Amusements in Mathematics] Reference
So because an octahedron gives the sides of two pyramids (8 =. From Wordnik.com. [Timaeus] Reference
Perhaps you mean that this form -- this octahedron -- is a divine concept. ". From Wordnik.com. [Mont-Saint-Michel and Chartres] Reference
I was thinking of an octahedron http://mathworld.wolfram.com/octahedron.html. From Wordnik.com. [Same-sex marriage, civil unions, and country-club bigotry] Reference
The one on the right is an octahedron. From Wordnik.com. [PhysOrg.com - latest science and technology news stories] Reference
"I should call it a regular octahedron.". From Wordnik.com. [Mont-Saint-Michel and Chartres] Reference
(Why not just number an octahedron twice?). From Wordnik.com. [Original Signal - Transmitting Buzz] Reference
"Cotopaxi" off the album octahedron. From Wordnik.com. [Adam Riff™] Reference
LearnThatWord and the Open Dictionary of English are programs by LearnThat Foundation, a 501(c)3 nonprofit.
Questions? Feedback? We want to hear from you!
Email us
or click here for instant support.
Copyright © 2005 and after - LearnThat Foundation. Patents pending.