D defs.my
Entry 1 sense Webster, 1913

Macrodiagonal

· Mac·ro·di·ag·o·nal · IPA
01 n. The longer of two diagonals, as of a rhombic prism. See Crystallization.
  1. 1.
    The longer of two diagonals, as of a rhombic prism. See Crystallization.(Crystallog.) See: Crystallization