hexagonal
Americanadjective
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of, relating to, or having the form of a hexagon.
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having a hexagon as a base or cross section.
a hexagonal prism.
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divided into hexagons, as a surface.
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Crystallography. noting or pertaining to a system of crystallization in which three equal axes intersect at angles of 60° on one plane, and the fourth axis, of a different length, intersects them perpendicularly.
adjective
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having six sides and six angles
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of or relating to a hexagon
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crystallog relating or belonging to the crystal system characterized by three equal coplanar axes inclined at 60° to each other and a fourth longer or shorter axis at right angles to their plane See also trigonal
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Having six sides.
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Relating to a crystal having three axes of equal length intersecting at angles of 60° in one plane, and a fourth axis of a different length that is perpendicular to this plane. The mineral calcite has hexagonal crystals.
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See illustration at crystal
Other Word Forms
Etymology
Origin of hexagonal
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.
Carbon atoms form an ordered hexagonal framework, while hydrogen atoms move through it along spiral-like paths.
From Science Daily ● Apr. 21, 2026
A small hexagonal black coffee table is perched in front of the couch, while a black-and-tan patterned rug adds some texture and depth to the space.
From MarketWatch ● Mar. 24, 2026
It is covered with hexagonal lumps, containing technology that monitors how his brain is working.
From BBC ● Nov. 6, 2025
Youn and colleagues arranged their seven insulating rods in a kirigami-inspired hexagonal array that, with the turn of a gear, would expand to change the frequency of the higher mode.
From Science Magazine ● Nov. 20, 2024
The basin was paved with the white hexagonal tiles one finds in public lavatories.
From "The Bell Jar" by Sylvia Plath
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.
