hexagonal

adjective

hex·​ag·​o·​nal hek-ˈsa-gə-nᵊl How to pronounce hexagonal (audio)
1
: having six angles and six sides
2
: having a hexagon as section or base
3
: relating to or being a crystal system characterized by three equal lateral axes intersecting at angles of 60 degrees and a vertical axis of variable length at right angles
hexagonally
hek-ˈsa-gə-nᵊl-ē How to pronounce hexagonal (audio)
adverb

Examples of hexagonal in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Inside the reactor core, steel pins packed with MOX fuel sit in tight hexagonal patterns. — Aman Tripathi, Interesting Engineering, 7 Aug. 2026 Squeezing and heating boron nitride transforms the arrangement of its atoms from 2D hexagonal sheets into 3D cubic boron nitride. — Robin MacAluso, The Conversation, 3 Aug. 2026 After solving the hexagonal countertop conundrum, Barr unpacks new slab samples that are on display in the Helsingborg center, so sales specialists can touch the real thing. — Claire Zillman, Fortune, 30 July 2026 Working with Henning Larsen Architects, the Icelandic-Danish artist Ólafur Elíasson designed the building’s sparkling glass façade, its shapes mirroring the hexagonal basalt formations found on Iceland’s coast. — Carolyn Heller, Forbes.com, 23 July 2026 See All Example Sentences for hexagonal

Word History

First Known Use

1571, in the meaning defined at sense 1

Time Traveler
The first known use of hexagonal was in 1571

Rhymes for hexagonal

See All Rhymes for hexagonal

Browse Nearby Words

hexagon
hexagonal
hexagonal system
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Cite this Entry

“Hexagonal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hexagonal. Accessed 11 Aug. 2026.

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Kids Definition

hexagonal

adjective
hex·​ag·​o·​nal hek-ˈsag-ən-ᵊl How to pronounce hexagonal (audio)
1
: having six angles and six sides
2
: having a hexagon as a section or base
a hexagonal prism

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Nglish: Translation of hexagonal for Spanish Speakers

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