plural of crystal class

(crystallography) The characteristic external shape of an individual crystal or crystal group.

(crystallography) Any of 32 possible classes of crystals, arising from the 32 possible combinations of symmetry operations.

Characterised by cries or crying

(biology) A periodic biological system.

(physics) A crystal that has a structure that repeats not only in space, but also in time.

A whitish, slightly crunchy or gritty crystalline spot that can form on cheese and most often consists of calcium lactate.

(physics) Synonym of time crystal

plural of Cryer

A surname originating as an occupation for a town crier.