Recent Examples on the WebEach cluster consists of an octahedron made of six rhenium atoms nestled within a cube made of eight selenium atoms, with a chlorine atom on the top and bottom of the cluster.—IEEE Spectrum, 6 Nov. 2023 They are defined by symmetry, and the Greeks knew that there were only five possibilities meeting the criteria: the tetrahedron, cube, octahedron, dodecahedron and icosahedron.—Eugenia Cheng, WSJ, 10 Aug. 2017 Diamonds, which form eight-sided crystals called octahedrons, can be billions of years old, Dr. Harlow said.—C. Claiborne Ray, New York Times, 12 June 2017
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'octahedron.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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