octahedron
noun
a solid figure having eight faces.
octahedra
-
pluralof octahedron.plural
The grammatical form denoting more than one person, place, thing, or idea.
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.
To create the new structures, the researchers synthesized silver nanoparticles shaped like truncated octahedra, which they call "mecons."
From Science Daily ● May 30, 2026
The conduction path of pyrochlore-type structure cover the F ions located in the tunnels created by MO6 octahedra.
From Science Daily ● Apr. 2, 2024
Spinel, magnetite and gold crystallize in simple octahedra.
From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" by Various
Sulphur can be obtained in two crystalline modifications, in orthorhombic octahedra, or in monoclinic prisms, the former of which is the more stable at ordinary temperatures.
From The Gutenberg Webster's Unabridged Dictionary Section S by Project Gutenberg
It is worthy of notice that in diatomic elements four funnels open on the faces of tetrahedra; in triatomic, six funnels on the faces of cubes; in tetratomic, eight funnels on the faces of octahedra.
From Occult Chemistry Clairvoyant Observations on the Chemical Elements by A. P. Sinnett
