noun
- a person who tests metals or ores to determine their purity or composition
Usage: technical; mining
Examples
- The assayer confirmed that the ore contained high levels of gold.
- Mining companies hire experienced assayers to evaluate their discoveries.
- The assayer’s report showed the silver was 99% pure.
- She worked as an assayer at the government mint for twenty years.
- The assayer used chemical tests to determine the metal’s composition.
- Before buying the gold, they sent it to a certified assayer.