hexagonal

adjective

hex·​ag·​o·​nal hek-ˈsa-gə-nᵊl 

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 

adverb

Examples of hexagonal in a Sentence

Recent Examples on the Web

Scientists have discovered a new way to control quantum light sources by twisting atomically thin layers of a material known as hexagonal boron nitride (hBN), a breakthrough that could help bring quantum technologies closer to practical use. —Neetika Walter, Interesting Engineering, 19 June 2026

To enable the design, Lucid shrunk the somewhat hexagonal wheel of its Air luxury sedan. —Robert Duffer, AJC.com, 19 June 2026

Another standout is the indoor pool, where angular columns and hexagonal floor tiles lend a sculptural quality to the space, which also incorporates a spa and massage suite. —Tori Latham, Robb Report, 11 June 2026

In gold, some planes reveal a square lattice, while others have a hexagonal lattice. —Chris Lee, ArsTechnica, 9 June 2026

Word History

First Known Use

1571, in the meaning defined at sense 1

Rhymes for hexagonal

• diagonal
• octagonal
• tetragonal

Kids Definition

hexagonal

adjective

hex·​ag·​o·​nal hek-ˈsag-ən-ᵊl 

1

: having six angles and six sides

2

: having a hexagon as a section or base

a hexagonal prism