Macrodiagonal

1 definition found

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

  Macrodiagonal \Mac`ro*di*ag"o*nal\, n. [Macro- + diagonal.]
     (Crystallog.)
     The longer of two diagonals, as of a rhombic prism. See
     {Crystallization}.
     [1913 Webster]