biomarker

noun

bio·​mark·​er ˈbī-ō-ˌmär-kər How to pronounce biomarker (audio)
: a distinctive biological or biologically derived indicator (such as a metabolite) of a process, event, or condition (such as aging, disease, or oil formation)

Examples of biomarker in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
View 1 Images Researchers at the University of Pittsburgh have devised a biomarker test that can spot small amounts of clumping tau protein in the brain and cerebrospinal fluid, which lead to Alzheimer's disease. New Atlas, 15 Feb. 2025 However, some experts have raised concerns over the effectiveness of blood biomarker tests—especially as blood tests are not covered by insurance. Jocelyn Solis-Moreira, Flow Space, 14 Feb. 2025 Adam Seal, a scientist who studies hydration physiology and diabetes biomarkers at California Polytechnic, is one of the researchers working to understand how water — or a lack of it — affects our health. Avery Hurt, Discover Magazine, 12 Feb. 2025 Advances are being made on which biomarkers to home in on to identify biological age, which is not timed with a clock. Jennifer Weil, WWD, 12 Dec. 2024 See All Example Sentences for biomarker

Word History

First Known Use

1973, in the meaning defined above

Time Traveler
The first known use of biomarker was in 1973

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Cite this Entry

“Biomarker.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biomarker. Accessed 3 Mar. 2025.

Medical Definition

biomarker

noun
bio·​mark·​er ˈbī-ō-ˌmär-kər How to pronounce biomarker (audio)
: a distinctive biological or biologically derived indicator (as a biochemical metabolite in the body) of a process, event, or condition (as aging, disease, or exposure to a toxic substance)
age-related biomarkers of disease and degenerative changeJanet Raloff
Last Updated: - Updated example sentences
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