tetrahedral
Americanadjective
-
pertaining to or having the form of a tetrahedron.
-
having four lateral planes in addition to the top and bottom.
Other Word Forms
- tetrahedrally adverb
Etymology
Origin of tetrahedral
First recorded in 1785–95; tetrahedr(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.
Adamantane has a carbon framework that mirrors diamond's tetrahedral structure, making it an appealing starting material for forming nanodiamonds.
From Science Daily • Oct. 29, 2025
In this study, the researchers focused on a MOF called ZIF-8, which consists of a lattice of tetrahedral units made up of a zinc ion attached to four molecules of imidazole, an organic compound.
From Science Daily • Mar. 6, 2024
"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
All of the tetrahedral sites in the FCC array of calcium ions are occupied by fluoride ions.
From Textbooks • Feb. 14, 2019
Pure carbon, each atom linked to four equidistant neighbors, perfectly knit, tetrahedral, unsurpassed in hardness.
From "All the Light We Cannot See" by Anthony Doerr
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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.