(n.) A troy weight containing twenty-four grains or the twentieth part of an ounce; as, a pennyweight of gold or of arsenic. It was anciently the weight of a silver penny, whence the name.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). pennyweight. Retrieved September 25, 2026, from http://smartdefine.org/pennyweight/definitions/2043396 |
| Chicago | Webster's. 2011. "pennyweight" http://smartdefine.org/pennyweight/definitions/2043396 (accessed September 25, 2026). |
| Harvard | Webster's 2011, pennyweight, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/pennyweight/definitions/2043396>. |
| MLA | Webster's. "pennyweight" 27 May 2011. Web. 25 September 2026. <http://smartdefine.org/pennyweight/definitions/2043396> |