- (a.) Tetragonal.
- (a.) Pertaining to terms of the second degree; as, a quadratic equation, in which the highest power of the unknown quantity is a square.
- (a.) Of or pertaining to a square or to squares; resembling a quadrate or square; square.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). quadratic. Retrieved September 22, 2026, from http://smartdefine.org/quadratic/definitions/2051532 |
| Chicago | Webster's. 2011. "quadratic" http://smartdefine.org/quadratic/definitions/2051532 (accessed September 22, 2026). |
| Harvard | Webster's 2011, quadratic, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/quadratic/definitions/2051532>. |
| MLA | Webster's. "quadratic" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/quadratic/definitions/2051532> |