Dictionary
C-ax•is
Pronunciation: (sē'ak"sis), [key]—
n.,
—pl. C-ax•esPronunciation: (sē'ak"sēz). [key]
Crystall.
the vertical crystallographic axis. Cf.
A-axis, B-axis.Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.