brachydiagonal

== English == === Etymology === From brachy- +‎ diagonal. === Noun === brachydiagonal (plural brachydiagonals) (crystallography, obsolete) The shorter of the diagonals in a rhombic prism. Coordinate term: macrodiagonal === Adjective === brachydiagonal (not comparable) (crystallography, obsolete) Relating to the shorter diagonal, as of a rhombic prism. === References === “brachydiagonal”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.