reagent
noun
re·agent
rē-ˈā-jənt 
: a substance used (as in detecting or measuring a component, in preparing a product, or in developing photographs) because of its chemical or biological activity
Examples of reagent in a Sentence
Recent Examples on the Web
Expanding the bat toolbox: Carollia perspicillata bat cell lines and reagents enable the characterization of viral susceptibility and innate immune responses
Avery Hurt is a freelance science journalist.
—
Avery Hurt, Discover Magazine, 17 May 2025
As lawmakers take aim at hard-to-recycle plastic and foam, a California packaging company is introducing a new shipping cooler made of woven paper fibers that could transform how temperature-sensitive products like pharmaceuticals and laboratory reagents are moved across the world.
—Curtis Bunn, NBC news, 2 May 2025
According to the company, the incorrect tests occurred between mid-April and July 2024 after the company temporarily changed the reagent, or chemical used in the drug test, because the original substance was unavailable from the manufacturer.
—Salvador Hernandez, Los Angeles Times, 29 Apr. 2025
These solvents and reagents are used in enormous quantities, which can be recycled but must all be disposed of eventually.
—IEEE Spectrum, 27 Dec. 2024
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Avery Hurt, Discover Magazine, 17 May 2025
As lawmakers take aim at hard-to-recycle plastic and foam, a California packaging company is introducing a new shipping cooler made of woven paper fibers that could transform how temperature-sensitive products like pharmaceuticals and laboratory reagents are moved across the world.
—Curtis Bunn, NBC news, 2 May 2025
According to the company, the incorrect tests occurred between mid-April and July 2024 after the company temporarily changed the reagent, or chemical used in the drug test, because the original substance was unavailable from the manufacturer.
—Salvador Hernandez, Los Angeles Times, 29 Apr. 2025
These solvents and reagents are used in enormous quantities, which can be recycled but must all be disposed of eventually.
—IEEE Spectrum, 27 Dec. 2024
See All Example Sentences for reagent
Cite this Entry
“Reagent.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/reagent. Accessed 24 May. 2025.
Copy CitationMedical Definition
reagent
noun
re·agent
rē-ˈā-jənt
1
: a substance used (as in detecting or measuring a component, in preparing a product, or in developing photographs) because of its chemical or biological activity
2
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