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assay as·say (ās'ā', ā-sā')
Qualitative or quantitative analysis of a substance, especially of an ore or a drug, to determine its components.
A substance to be so analyzed.
The result of such an analysis.
An analysis or examination.
To subject a substance to chemical analysis.
To examine a person's capability by trial or experiment; put to a test.
To evaluate a situation; assess.
To attempt; try.
To be shown by analysis to contain a certain proportion of atoms, molecules, compounds, or precious metal.