- an examination or testing
- the analysis of an ore, alloy, drug, etc. to determine the nature, proportion, or purity of the ingredients
- a substance to be thus tested or analyzed
- the result or report of such an analysis
- Now Rare an attempt
Origin of assayMiddle English and Anglo-French assai from Old French essai, trial: see essay, n.
- to make an assay of; test; analyze
- to attempt