hallmarking
/ˈhɔːlmɑːrkɪŋ/
noun
- The process or practice of stamping official marks on precious metals to certify their purity and origin.
- The jeweler specializes in hallmarking custom engagement rings.
- Modern hallmarking uses lasers to apply tiny, precise marks.
- Hallmarking is required by law for all gold and silver items sold in the UK.
adjective
- Relating to or used for the process of hallmarking.
- The hallmarking machine was upgraded to handle more items per hour.
- The hallmarking office checks each piece for accuracy.
- She attended a workshop on hallmarking techniques for silversmiths.