Assay

Trial; attempt; essay.

Examination and determination; test; as, an assay of bread or wine.

Trial by danger or by affliction; adventure; risk; hardship; state of being tried.

Tested purity or value.

The act or process of ascertaining the proportion of a particular metal in an ore or alloy; especially, the determination of the proportion of gold or silver in bullion or coin.

The alloy or metal to be assayed.

To try; to attempt; to apply.

To affect.

To try tasting, as food or drink.

To subject, as an ore, alloy, or other metallic compound, to chemical or metallurgical examination, in order to determine the amount of a particular metal contained in it, or to ascertain its composition.

To attempt, try, or endeavor.

an appraisal of the state of affairs; "they made an assay of the contents"; "a check on its dependability under stress"

a written report of the results of an analysis of the composition of some substance

analyze (chemical substances)

a quantitative or qualitative test of a substance (especially an ore or a drug) to determine its components; frequently used to test for the presence or concentration of infectious agents or antibodies etc.