自じ形けいじけいMeanings1nounautomorphismcrystallography›Technical term in crystallography; refers to a symmetry operation that maps a crystal structure onto itself.結けっ晶しょう学がくでは、自じ形けいは結けっ晶しょう構こう造ぞうをそれ自じ身しんに写うつす対たい称しょう操そう作さを指