Meaning of the word assay in English

What does assay mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

assay

US /æsˈeɪ/
UK /əˈseɪ/
"assay" picture

Noun

1.

the testing of a metal or ore to determine its ingredients and quality

Example:
The gold ore underwent an assay to determine its purity.
The laboratory performs a daily assay of the metal samples.
2.

an analytical procedure in biochemistry or molecular biology for qualitatively assessing or quantitatively measuring the presence, amount, or functional activity of a target entity (such as a drug, biochemical substance, or cell)

Example:
The scientist developed a new assay to detect specific proteins.
The drug's efficacy was measured using a cell-based assay.

Verb

to analyze (an ore, alloy, or drug) to determine its content or quality

Example:
The chemist will assay the sample for traces of lead.
They need to assay the new batch of medication before distribution.