crystallology
/ˌkrɪstəˈlɒlədʒi/ /ˌkrɪst(ə)lˈɒlədʒi/Now rare
noun
= crystallogy.
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.