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Definitions

assay

[a-sey, as-ey, a-sey] / æˈseɪ, ˈæs eɪ, æˈseɪ /




Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Using an assay created by the Crick researchers, they confirmed that these compounds successfully blocked the RAS-PI3K interaction but still allowed PI3K to perform its other roles, including those related to insulin signaling.

From Science Daily • Oct. 19, 2025

Dash, whose team includes former software engineers from Moderna, automates common laboratory tests such as Elisa, or enzyme-linked immunosorbent assay, which is used for tasks such as evaluating a drug’s safety and efficacy.

From The Wall Street Journal • Jul. 23, 2025

We set up an inhibition assay in test tubes.

From Salon • Dec. 16, 2024

They developed an assay that can be used to screen drugs to see if they restore protein mobility by comparing each drug's effect on a simple biomarker with surface cysteines to one without.

From Science Daily • Nov. 27, 2024

Tom said seriously, “If the assay showed enough nickel and silver, wouldn’t it pay to mine it?”

From "East of Eden" by John Steinbeck