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
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Its nearest rivals cluster in digital biomarkers, among them Mindstrong, Altoida, and Evidation Health, though most chase a single signal or a single disease. — Geri Stengel, Forbes.com, 31 July 2026 Clinicians are increasingly expected to process biomarkers, genetic analyses, cancer screening results, real-time wearable data, and detailed patient histories, and to translate that information into timely, accurate diagnoses and treatment plans. — Malana Vantyler, USA Today, 30 July 2026 The test measures biomarkers associated with amyloid plaques in the brain and is intended for adults age 55 and older who are already experiencing signs or symptoms of cognitive decline. — Emily Cegielski, Flow Space, 27 July 2026 Researchers are now evaluating various biomarkers as candidates for the development of better diagnostic methods or to define subgroups. — Isabella Backman, Hartford Courant, 25 July 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 3 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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