Orthodiagonal

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Orthodiagonal \Or`tho*di*ag"o*nal\, n. [Ortho- + diagonal.]
     (Crystallog.)
     The diagonal or lateral axis in a monoclinic crystal which is
     at right angles with the vertical axis.
     [1913 Webster]