| 释义 |
crystal class
crystal class n (Chemistry) crystallog any of 32 possible types of crystals, classified according to their rotational symmetry about axes through a point. Also called: point group crystal class
crystal class[′krist·əl ′klas] (crystallography) One of 32 categories of crystals according to the inversions, rotations about an axis, reflections, and combinations of these which leaves the crystal invariant. Also known as symmetry class. |