Category:Tetragonal

Te*trag"o*nal, a.

1. (geom.)

Defn: of or pertaining to a tetragon; having four angles or sides; Thus, the square, the parallelogram, the rhombus, and the trapezium Are tetragonal fingers.

2. (bot.)

Defn: having four prominent longitudinal angles.

3. (crystallog.)

Defn: designating, or belonging to, a certain system of Crystallization; dimetric. See tetragonal system, under Crystallization.