HEED THE VOX POPULI, AND TAKE THIS WORD OF THE DAY QUIZ!
Origin of hexad
OTHER WORDS FROM hexadhex·ad·ic, adjective
Words nearby hexad
Example sentences from the Web for hexad
Here there is a plane of symmetry perpendicular to the hexad axis; there is also a centre of symmetry.
Perpendicular to the hexad axis are six dyad axes of two kinds and each perpendicular to a vertical plane of symmetry.
This is the hexad axis or hexagonal axis, for which the angle of rotation is 60, or one-sixth of 360.
There can be only one hexad axis of symmetry in any crystal (see figs. 77-80).
No other element is here associated with the hexad axis, which is uniterminal.