'Tetragonal' definitions:
Definition of 'tetragonal'
(from WordNet)
adjective
Of or relating to or shaped like a quadrilateral
Definition of 'Tetragonal'
From: GCIDE
- Tetragonal \Te*trag"o*nal\, a.
- 1. (Geom.) Of or pertaining to a tetragon; having four angles or sides; thus, the square, the parallelogram, the rhombus, and the trapezium are tetragonal fingers. [1913 Webster]
- 2. (Bot.) Having four prominent longitudinal angles. [1913 Webster]
- 3. (Crystallog.) Designating, or belonging to, a certain system of crystallization; dimetric. See {Tetragonal system}, under Crystallization. [1913 Webster]