Emily Dickinson Lexicon
Definition for DIT-RI-HE'DRI-A
DIT-RI-HE'DRI-A, n. [Gr. δις, τρεις and έδρα, twice three sides.]
In minerology, a genus of spars with six sides or planes; being formed of two trigonal pyramids joined base to base, without an intermediate column. – Encyc.
Return to page 164 of the letter “D”.