Definition of crystallology in English:

crystallology

Pronunciation /ˌkrɪstəˈlɒlədʒi/ /ˌkrɪst(ə)lˈɒlədʒi/

noun

rare

Origin

Early 19th century; earliest use found in British Critic. From crystallo- + -logy, probably after French cristallologie. Compare slightly later crystallogy and its French model.