Crystallographic symmetry
From Online Dictionary of Crystallography
Symétrie cristallographique (Fr). Kristallographische Symmetrie (Ge). Simmetria cristallografica (It). 結晶学的対称性 (Ja). Simetría cristalográfica (Sp).
A motion is called a crystallographic symmetry operation if a crystal pattern exists for which it is a symmetry operation.
See also
- Noncrystallographic symmetry
- Chapter 1.2 of International Tables for Crystallography, Volume A, 6th edition