TRIDODECAHE'DRAL, adjective [Gr. three, and dodecahedral.]
In crystallography, presenting three ranges of faces, one above another, each containing twelve faces.
Webster's Dictionary 1828
TRIDODECAHE'DRAL, adjective [Gr. three, and dodecahedral.]
In crystallography, presenting three ranges of faces, one above another, each containing twelve faces.