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 (ăs′ā′, ă-sā′)
a. Qualitative or quantitative analysis of a metal or ore to determine its components.
b. A substance to be so analyzed.
c. The result of such an analysis.
2. A bioassay.
3. An analysis or examination.
4. Archaic An attempt; an essay.
v. (ă-sā′, ăs′ā′) as·sayed, as·say·ing, as·says
a. To subject (a metal, for example) to chemical analysis so as to determine the strength or quality of its components.
b. To bioassay.
2. To examine by trial or experiment; put to a test: assay one's ability to speak Chinese.
3. To evaluate; assess: assayed the situation before taking action.
4. To attempt; try: "Singers of every race and nationality have by now assayed the role" (Barry Singer).
To be shown by analysis to contain a certain proportion of usually precious metal.

[Middle English, from Old French essai, assai; see essay.]

as·say′a·ble adj.
as·say′er n.
References in classic literature ?
Since a young girl she had been used to spending her own, and now, thanks to Mercedes she was doing it again, and, out of her profits, assaying more expensive and delightful adventures in lingerie.
It discusses the rationale behind successful and "intelligent" screening approaches and presents current methods and technologies for assaying bioactive molecules in a high-throughput situation.
Gold assaying employs metallic sieve analysis of all massive sulphide intervals due to a component of coarse gold.
Assaying operation will be on a seven days a week basis to process the samples from the gold recovery plant for determination of head grade and metallurgical balance to establish the in-situ gold grade of the underground bulk samples as well as the daily underground face and ribs samples and diamond drill core samples.