The act or process of testing esp of analyzing or examining metals and ores to determine the percentage of pure material
- of Assay
- The act or means of testing, esp. of evaluating or examining metals and ores, to look for the percentage of pure metal.
(p. pr. & vb. n.) of Assay
- (letter.) The work or procedure of assessment, esp. of evaluating or examining metals and ores, to look for the proportion of pure steel.
The plus-silver is due to the fact that in assaying the base bullion by cupellation, the silver lost by volatilization and cupel-absorption is neglected.