as·say (ăsˈāˌ, ă-sāˈ)

1. Qualitative or quantitative analysis of a substance, especially of an ore or a drug, to determine its components.
2. A substance to be so analyzed.
3. The result of such an analysis.
4. An analysis or examination.

1. To subject a substance to chemical analysis.
2. To examine a person's capability by trial or experiment; put to a test.
3. To evaluate a situation; assess.
4. To attempt; try.
5. To be shown by analysis to contain a certain proportion of atoms, molecules, compounds, or precious metal.