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
The alum there produced is the double basic potassium alum, and crystallizes into cubes instead of octahedra, i.e., the Roman alum of commerce.
From De Re Metallica, Translated from the First Latin Edition of 1556 by Georgius Agricola
By heating a mixture of cobalt oxalate and sal-ammoniac in air, it is obtained in the form of minute hard octahedra, which are not magnetic, and are only soluble in concentrated sulphuric acid.
From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" by Various
It forms red octahedra and is less soluble in water than the corresponding potassium compound.
From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 "Chitral" to "Cincinnati" by Various
