1. plural of pennyweight; units of weight equal to 1/20 of a troy ounce, used especially for weighing precious metals and gems
Usage: technical; jewelry and precious metals

Examples

• The gold ring weighed three pennyweights.
• Jewelers often measure small amounts of silver in pennyweights.
• The diamond’s setting required two pennyweights of platinum.
• He calculated the value based on pennyweights of gold used.
• The antique coins were sorted by pennyweights for appraisal.
• Twenty pennyweights equal one troy ounce.