crys·tal·log·ra·phy / ˌkristəˈlägrəfē/ • n. the branch of science concerned with the structure and properties of crystals.DERIVATIVES: crys·tal·log·ra·pher / -fər/ n.crys·tal·lo·graph·ic / -ləˈgrafik/ adj.crys·tal·lo·graph·i·cal·ly / -ləˈgrafik(ə)lē/ adv.

crystallography Study of the formation and structure of crystalline substances. Includes the study of crystal formation, chemical bonding in crystals and the physical properties of solids. Crystallography is particularly concerned with the internal structure of crystals. X-ray crystallography uses X-rays to discover the molecular structure of crystals.

crystallography The study of crystals, including their form, structure, habit, and symmetry.