An assay is a breakdown of a material, examining the individual parts that make up the whole. When you assay a situation, you look at all the elements that created the problem in order to come up with …

As a noun, assay means a test or appraisal to determine the components of a substance or object. As a verb, it refers to the act of analyzing, or of conducting that test. It is usually used in chemistry-related …

An assay is an investigative (analytic) procedure in laboratory medicine, mining, pharmacology, environmental biology and molecular biology for qualitatively assessing or quantitatively measuring …

ASSAY definition: 1. to examine a substance to find out how pure it is or what its properties (= qualities) are: 2…. Learn more.

An assay is a test of a substance to find out what chemicals it contains. It is usually carried out to find out how pure a substance is.

Define assay. assay synonyms, assay pronunciation, assay translation, English dictionary definition of assay. an analysis of a substance, esp. of an ore or drug: His find required an assay to determine its …

Mar 25, 2026 · An assay is a laboratory procedure that identifies or measures a specific substance in a sample. Whether it’s checking how much of a drug is in a tablet, detecting bacteria on a kitchen …

Definition of assay noun in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Apr 3, 2026 · Verb assay (third-person singular simple present assays, present participle assaying, simple past and past participle assayed) (transitive) To attempt (something). [from 14th c.]

The meaning of ASSAY is to analyze (something, such as an ore) for one or more specific components. How to use assay in a sentence.