- (v.t.) To make fourfold; to double twice; to quadruple.
- (a.) Raised to the fourth power.
- (a.) Fourfold; doubled twice; four times repeated; as, a quadruplicate ratio or a quadruplicate proportion.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). quadruplicate. Retrieved September 20, 2026, from http://smartdefine.org/quadruplicate/definitions/2051607 |
| Chicago | Webster's. 2011. "quadruplicate" http://smartdefine.org/quadruplicate/definitions/2051607 (accessed September 20, 2026). |
| Harvard | Webster's 2011, quadruplicate, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/quadruplicate/definitions/2051607>. |
| MLA | Webster's. "quadruplicate" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/quadruplicate/definitions/2051607> |