D defs.my
Entry 1 sense Webster, 1913

Assayer

· As·say·er · IPA /æsˈeɪər/
01 n. One who assays. Specifically: One who examines metallic ores or compounds, for the purpose of determining the amount of any particular meta…
  1. 1.
    One who assays. Specifically: One who examines metallic ores or compounds, for the purpose of determining the amount of any particular metal in the same, especially of gold or silver.