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hexad
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Example Sentences
This is the hexad axis or hexagonal axis, for which the angle of rotation is 60, or one-sixth of 360.
From Project Gutenberg
Perpendicular to the hexad axis are six dyad axes of two kinds and each perpendicular to a vertical plane of symmetry.
From Project Gutenberg
In crystals of this division of the hexagonal system the principal axis is a hexad axis of symmetry.
From Project Gutenberg
Here there is a plane of symmetry perpendicular to the hexad axis; there is also a centre of symmetry.
From Project Gutenberg
The hexad axis is uniterminal and all the forms are open forms.
From Project Gutenberg
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From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.
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