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.
But there’s a subset of longevity culture that has drifted towards solely optimizing sleep scores, tracking biomarkers and counting macronutrients, without any additional human context. Lucia Aronica, CNBC, 10 June 2026 The patient’s Alzheimer's diagnosis was not confirmed with modern biomarkers, and other neurodegenerative conditions could not be completely ruled out, the study stated. Melissa Rudy, FOXNews.com, 9 June 2026 Two Audiences, One Strategic Framework Inside Pfizer’s oncology portfolio, Liu helped lead the strategic development of the company’s first coordinated dual-audience biomarker platform. William Jones, USA Today, 9 June 2026 Meal timing and the gut In the new research, the authors defined chronic physiological stress by participants’ composite allostatic load score — which involves eight cardiovascular, metabolic and inflammatory biomarkers, such as blood pressure, cholesterol and body mass index. Kristen Rogers, CNN Money, 8 June 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

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Cite this Entry

“Biomarker.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biomarker. Accessed 15 Jun. 2026.

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
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