- (a.) Of or pertaining to a tetragon; having four angles or sides; thus, the square, the parallelogram, the rhombus, and the trapezium are tetragonal fingers.
- (a.) Designating or belonging to, a certain system of crystallization; dimetric. See Tetragonal system, under Crystallization.
- (a.) Having four prominent longitudinal angles.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). tetragonal. Retrieved September 20, 2026, from http://smartdefine.org/tetragonal/definitions/2071563 |
| Chicago | Webster's. 2011. "tetragonal" http://smartdefine.org/tetragonal/definitions/2071563 (accessed September 20, 2026). |
| Harvard | Webster's 2011, tetragonal, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/tetragonal/definitions/2071563>. |
| MLA | Webster's. "tetragonal" 28 May 2011. Web. 20 September 2026. <http://smartdefine.org/tetragonal/definitions/2071563> |