assay

/ə'sei/
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assay

A scientist conducts an assay on a mineral sample in the laboratory.

Definition

  1. Noun:

    • A quantitative or qualitative test of a substance: An "assay" is a procedure to determine the presence, concentration, or components of a specific substance, such as a drug, ore, or biological sample.
    • A written report of the results of such an analysis: The term also refers to the formal document presenting the findings from the analytical test.
    • An appraisal or assessment: In a broader sense, an "assay" can be an evaluation or test of the nature or quality of a situation.

  2. Verb:

    • To analyze the composition of a substance: To perform a chemical or biological test to identify or measure components.
    • To attempt or try: To make an effort to do something, often something difficult or challenging.
Examples of Usage

  • Noun:

    • The laboratory performed an assay to detect viral antibodies in the blood sample.
    • The geologist's report included a detailed assay of the ore's gold content.
    • His speech was a shrewd assay of the current political climate.

  • Verb:

    • Scientists will assay the new compound for its medicinal properties.
    • The knight assayed to lift the heavy sword, straining with all his might.
Advanced Usage

  • "To make an assay of": To conduct an analysis or evaluation of something.

    • The committee will make an assay of the project's feasibility before granting funds.

  • "Assay office": An official establishment that tests and verifies the purity of precious metals.

    • The silver bar was stamped after verification at the assay office.
Variants and Related Words

  • Assayer (n): A person who performs assays, especially on ores or metals.

    • The assayer confirmed the high purity of the gold nugget.

  • Bioassay (n): A type of assay that uses living organisms or biological tissues to determine the potency of a substance.

    • The toxicity of the chemical was determined through a bioassay using fish.
Synonyms
  • Analysis (n): A detailed examination of the elements or structure of something.
  • Test (n/v): A procedure intended to establish the quality, performance, or reliability of something.
  • Attempt (v): To make an effort to achieve or complete something.
Related Phrases
  • "Assay the situation": To evaluate or assess a set of circumstances.
    • Before acting, the general paused to assay the situation on the battlefield.
Related Idioms
  • "To put to the assay": (Archaic) To put to the test or trial.
    • His courage was put to the assay during the perilous journey.
assay

A scientist conducts an assay on a mineral sample in the laboratory.

Noun
  1. 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.
  2. a written report of the results of an analysis of the composition of some substance
  3. a substance that is undergoing an analysis of its components
  4. an appraisal of the state of affairs
    • they made an assay of the contents
    • a check on its dependability under stress
Verb
  1. 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
  2. analyze (chemical substances)

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