octahedral
Americanadjective
adjective
-
having eight plane surfaces
-
shaped like an octahedron
Etymology
Origin of octahedral
First recorded in 1750–60; octahedr(on) + -al 1
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
In iron-carbon alloys such as steel, carbon atoms occupy small octahedral "cages" formed by surrounding iron atoms.
From Science Daily • Jan. 26, 2026
"Synthetic anion binding is much more challenging because anions can be all kinds of shapes -- spherical, octahedral, even tetrahedral," Gong says.
From Science Daily • Oct. 10, 2023
"One can imagine that each of these octahedral LEGOs could carry some type of 'genetic' information, just like DNA base pairs carry our genetic information," Yang said.
From Science Daily • Sep. 28, 2023
Aluminum oxide crystallizes with aluminum ions in two-thirds of the octahedral holes in a closest-packed array of oxide ions.
From Textbooks • Feb. 14, 2019
The conclusion that is now generally received appears to be that light consists of minute atoms of matter of an octahedral form, possessing polarity, and varying in size or in velocity....
From Heroes of Science: Physicists by Garnett, William
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.