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.
Last year, when the Crunchwrap—Taco Bell’s beloved toasted hexagonal foodstuff—turned 20, it inspired a grande-sized outpouring of affection.
From The Wall Street Journal ● Oct. 9, 2026
One particularly interesting example is Hantzsche Wendt space, which involves repeating structures related to hexagonal patterns.
From Science Daily ● Sep. 28, 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
Instead of forming a single orderly pattern, the oxygen atoms assemble into a mixed structure that combines face-centered cubic regions with hexagonal close-packed layers.
From Science Daily ● Jan. 13, 2026
Ella followed him into a hexagonal room filled with a circular table and five chairs.
From "The Marvellers" by Dhonielle Clayton
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.
