assay[as′ā, a sā′; for v. a sā′, ə-]
- An assay is defined as the finding of how much metal is in an alloy.
An example of an assay is a scientific look into the compilation of a substance that is believed to have gold in it.
- Assay means something that is being evaluated or assessed, or is a declaration of the results of that test.
- An example of an assay may be a new allergy medicine being analyzed by the FDA.
- An example of an assay is the report that the FDA will publish after analyzing a new medicine.
- The definition of assay is to test or survey, especially to determine the quantity of metal that a mixture has or to test a medicine.
- An example of the word assay is when a teacher observes her classroom to determine what the students are doing.
- An example of the word assay is to look at a known alloy to determine if it has any metal of value worth separating.
- An example of the word assay is when the FDA examines a drug before it is allowed to be sold in the U.S.
- 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 amp; Anglo-French assai ; from Old French essai, trial: see essay, n.
- to make an assay of; test; analyze
- to attempt
- 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.
- A bioassay.
- An analysis or examination.
- Archaic An attempt; an essay.
verbas·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.
- To examine by trial or experiment; put to a test: assay one's ability to speak Chinese.
- To evaluate; assess: assayed the situation before taking action.
- To attempt; try: “Singers of every race and nationality have by now assayed the role” (Barry Singer).
Origin of assayMiddle English, from Old French essai, assai; see essay.
- Trial, attempt, essay.
- Examination and determination; test.
- The qualitative or quantitative chemical analysis of something.
- 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.
(third-person singular simple present assays, present participle assaying, simple past and past participle assayed)
- To attempt (something). [from 14th c.]
- (archaic, intransitive) To try, attempt (to do something). [14th-19th c.]
- To analyze or estimate the composition or value of (a metal, ore etc.). [from 15th c.]
- 1977, Geoffrey Chaucer, The Canterbury Tales, Penguin Classics, p. 351:
- The marquis, in obsession for his wife, / Longed to expose her constancy to test. / He could not throw the thought away or rest, / Having a marvellous passion to assay her; / Needless, God knows, to frighten and dismay her, / He had assayed her faith enough before / And ever found her good; what was the need / Of heaping trial on her, more and more?
- To affect.
- To try tasting, as food or drink.
assay - Investment & Finance Definition
The process of testing a metal or an oil for its purity or quality. The term is often used in the context of metal and energy products that are delivered against futures contracts on futures exchanges and which have to meet certain minimum requirements.