Emily Dickinson Lexicon
Definition for TRI-OC-TA-HE'DRAL
TRI-OB'O-LAR, or TRI-OB'O-LA-RYTRI-OC'TILE
TRI-OC-TA-HE'DRAL, a. [tri and octahedral.]
In crystalography, presenting three ranges of faces, one above another, each range containing eight faces.
Return to page 122 of the letter “T”.