'Brachydiagonal axis' definitions:

Definition of 'Brachydiagonal axis'

From: GCIDE

Brachydiagonal \Brach`y*di*ag"o*nal\, a. [Gr. brachy`s short + E. diagonal.] Pertaining to the shorter diagonal, as of a rhombic prism. [1913 Webster]
Brachydiagonal axis, the shorter lateral axis of an orthorhombic crystal. [1913 Webster]