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.
In the new study, estrogen users had more favorable amyloid measures in blood and spinal fluid, but there were no significant differences in amyloid brain scans and several other biomarkers. — Tom Gavin, EverydayHealth.com, 12 Aug. 2026 This is why the search for predictive biomarkers deserves far greater attention and investment. — Jamie Maguire, STAT, 12 Aug. 2026 Biolyz isn’t the only biomarker test Leverkusen uses; the team also utilizes capillary blood draws through the fingertip or earlobe. — Justin Birnbaum, Sportico.com, 10 Aug. 2026 That trial proposes testing biomarkers from blood and urine at the outset, then comparing chronological and biological age over time. — Mark Ellwood, Robb Report, 9 Aug. 2026 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

Rhymes for biomarker

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Browse Nearby Words

biomagnification
biomarker
biomass
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Cite this Entry

“Biomarker.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biomarker. Accessed 19 Aug. 2026.

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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 change—Janet Raloff
Last Updated: - Updated example sentences
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