Definitions for Assayæˈseɪ; ˈæs eɪ, æˈseɪ

This page provides all possible meanings and translations of the word Assay

Random House Webster's College Dictionary

as•sayæˈseɪ; ˈæs eɪ, æˈseɪ(v.; n.; v.t.)

  1. to examine or analyze:

    to assay a situation.

  2. to analyze (an ore, alloy, etc.) to determine the content of gold, silver, or other metal.

    Category: Metallurgy

  3. to analyze (a drug) to determine potency or composition.

    Category: Pharmacology

  4. to test or evaluate:

    to assay one's strength.

  5. to attempt; try; essay:

    to assay a dance step.

  6. (n.)an analysis of the composition or strength of a substance, esp. a determination of the amount of metal in an ore, alloy, etc.

    Category: Metallurgy

  7. a substance undergoing analysis or trial.

  8. a detailed report of the findings in assaying a substance.

  9. Archaic. examination; trial; attempt.

Origin of assay:

1250–1300; ME < MF; var. of essay

as•say′er(n.)

Princeton's WordNet

  1. assay, check(noun)

    an appraisal of the state of affairs

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

  2. assay(noun)

    a substance that is undergoing an analysis of its components

  3. assay(noun)

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

  4. assay(verb)

    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.

  5. assay(verb)

    analyze (chemical substances)

  6. try, seek, attempt, essay, assay(verb)

    make an effort or attempt

    "He tried to shake off his fears"; "The infant had essayed a few wobbly steps"; "The police attempted to stop the thief"; "He sought to improve himself"; "She always seeks to do good in the world"

Wiktionary

  1. assay(Noun)

    trial, attempt, essay.

  2. assay(Noun)

    the qualitative or quantitative chemical analysis of something

  3. assay(Verb)

    To attempt (something).

  4. assay(Verb)

    To try, attempt (to do something).

  5. assay(Verb)

    To analyze or estimate the composition or value of (a metal, ore etc.).

  6. assay(Verb)

    To test the abilities of (someone) in combat; to fight.

  7. Origin: From assaier, from assai, from essai.

Webster Dictionary

  1. Assay(noun)

    trial; attempt; essay

  2. Assay(noun)

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

  3. Assay(noun)

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

  4. Assay(noun)

    tested purity or value

  5. Assay(noun)

    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

  6. Assay(noun)

    the alloy or metal to be assayed

  7. Assay

    to try; to attempt; to apply

  8. Assay

    to affect

  9. Assay

    to try tasting, as food or drink

  10. Assay

    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

  11. Assay(verb)

    to attempt, try, or endeavor

Freebase

  1. Assay

    An assay is an investigative procedure in laboratory medicine, pharmacology, environmental biology, and molecular biology for qualitatively assessing or quantitatively measuring the presence or amount or the functional activity of a target entity, which can be a drug or biochemical substance or a cell in an organism or organic sample. The measured entity is generally called the analyte, or the measurand or the target of the assay. The assay usually aims to measure an intensive property of the analyte and express it in the relevant measurement unit. If the assay involves addition of exogenous reactants, their quantities are kept fixed so that the quantity of the target is the only limiting factor for the reaction/assay process, and the difference in the assay outcome is used to deduce the unknown quality or quantity of the target in question. Some assays may be similar to or have overlap with chemical analysis and titration. But generally, assays involve biological material or phenomena which tend to be intrinsically more complex either in composition or in behavior or both. Thus reading of an assay may be quite noisy and may involve greater difficulties in interpretation than an accurate chemical titration. On the other hand, older generation qualitative assays, especially bioassays, may be much more gross and less quantitative.

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