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hexagonal

[hek-sag-uh-nl] /hɛkˈsæg ə nl/
adjective
1.
of, relating to, or having the form of a hexagon.
2.
having a hexagon as a base or cross section:
a hexagonal prism.
3.
divided into hexagons, as a surface.
4.
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.
Origin
1565-1575
1565-75; hexagon + -al1
Related forms
hexagonally, adverb
pseudohexagonal, adjective
pseudohexagonally, adverb
subhexagonal, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for subhexagonal

hexagonal

/hɛkˈsæɡənəl/
adjective
1.
having six sides and six angles
2.
of or relating to a hexagon
3.
(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
Derived Forms
hexagonally, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for subhexagonal

hexagonal

adj.

1570s, from hexagon + -al (1). Related: Hexagonally.

Online Etymology Dictionary, © 2010 Douglas Harper
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subhexagonal in Science
hexagonal
  (hěk-sāg'ə-nəl)   
  1. Having six sides.

  2. 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. See illustration at crystal.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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