biomarker
noun
bio·mark·er
ˈbī-ō-ˌmär-kər 
: 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
More than 100 biomarkers are in the initial test — the exact number varies by gender a little.
—
Andrew Williams, Forbes.com, 15 July 2025
These included two phthalates, bisphenol S and the pesticide biomarkers 3-PBA and trans-DCCA.
—Daniella Gray, MSNBC Newsweek, 2 July 2025
Intriguingly, the biomarker also reflected changes in sleep quality, a telling early indicator since poor sleep patterns often precede the return of depression symptoms.
—IEEE Spectrum, 30 June 2025
Autoimmune diseases were used as an indirect marker of chronic inflammation, rather than direct measures using inflammatory biomarkers, such as interleukin-6 (IL-6).
—New Atlas, 24 June 2025
See All Example Sentences for biomarker
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Andrew Williams, Forbes.com, 15 July 2025
These included two phthalates, bisphenol S and the pesticide biomarkers 3-PBA and trans-DCCA.
—Daniella Gray, MSNBC Newsweek, 2 July 2025
Intriguingly, the biomarker also reflected changes in sleep quality, a telling early indicator since poor sleep patterns often precede the return of depression symptoms.
—IEEE Spectrum, 30 June 2025
Autoimmune diseases were used as an indirect marker of chronic inflammation, rather than direct measures using inflammatory biomarkers, such as interleukin-6 (IL-6).
—New Atlas, 24 June 2025
See All Example Sentences for biomarker
Cite this Entry
“Biomarker.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biomarker. Accessed 29 Jul. 2025.
Copy CitationMedical Definition
biomarker
noun
bio·mark·er
ˈbī-ō-ˌmär-kər
: 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
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