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 adverb

Examples of hexagonal in a Sentence

Recent Examples on the Web
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By plotting the coefficients of the polynomial as a sort of heat map, the researchers have created striking visuals — an ornate hexagonal QR code for each knot. Erica Klarreich, Quanta Magazine, 22 Apr. 2026 The eggs are barrel-shaped and are laid on end in a tight, often hexagonal cluster. Encyclopedia Britannica, 22 Apr. 2026 The raft of eggs glued to the bark is often roughly hexagonal in shape, and each individual egg is barrel-shaped with a pale top and dark sides. Miri Talabac, Baltimore Sun, 21 Apr. 2026 The experiments were conducted using a material known as hexagonal boron nitride (hBN), where light behaves in an unusual way. Prabhat Ranjan Mishra, Interesting Engineering, 17 Apr. 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

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Cite this Entry

“Hexagonal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.grautoblog.com/dictionary/hexagonal. Accessed 27 Apr. 2026.

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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