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.
Semaglutide however, affects Alzheimer’s disease proteins in the right direction, as seen in biomarker measures, Koychev said. Elsa Ohlen, CNBC, 30 Dec. 2025 Her tips include making daily movement a priority and keeping tabs on biomarkers like cholesterol and blood sugar levels. Helen Carefoot, Flow Space, 29 Dec. 2025 This year, beauty’s obsession with visible transformation has evolved into a preoccupation with longevity, spanning biomarkers, hormone health, inflammation and cellular repair. Amy Francombe, Vogue, 19 Dec. 2025 However, accumulating evidence over the past two decades demonstrates that a biomarker called C-reactive protein – which signals the presence of low-grade inflammation – is a better predictor of risk for heart disease than cholesterol. Mary J. Scourboutakos, The Conversation, 19 Dec. 2025 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

Browse Nearby Words

Cite this Entry

“Biomarker.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biomarker. Accessed 1 Jan. 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
Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!