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octahedron

[ ok-tuh-hee-druhn ]

noun

, plural oc·ta·he·drons, oc·ta·he·dra [ok-t, uh, -, hee, -dr, uh].
  1. a solid figure having eight faces.


octahedron

/ ˌɒktəˈhiːdrən /

noun

  1. a solid figure having eight plane faces
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

octahedron

/ ŏk′tə-hēdrən /

, Plural octahedrons

  1. A polyhedron that has eight faces.
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Word History and Origins

Origin of octahedron1

1560–70; < Greek oktáedron eight-sided (neuter of oktáedros ), equivalent to okta- octa- + -edron -hedron
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Example Sentences

"Specifically, these molecules introduce in-plane hydrogen bonding that is compatible with both the ionic nature and octahedron spacing of halide perovskites," she said.

All of this is enough to send any mother into a spiral of madness, or an even more elaborate shape — a Möbius strip of insanity, an octahedron of derangement.

Adjacent octahedrons were rotated 90 degrees from one another and connected at the corners.

The Feb. 22 Local Living article “Give your bookshelf a little more character” included a geometric object labeled “large octahedron.”

The second is a specific bonding geometry, which is achieved when octahedra formed from metal and oxygen ions share their edges to form a honeycomb lattice.

From Nature

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