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
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The bad news is that, to date, there's no distinct biomarker for NCGS, with both zonulin (gut permeability) or inflammatory cytokine levels proving too inconsistent to be seen as reliable indicators.
—
New Atlas, 24 Oct. 2025
The blood test analyzes 460 different biomarkers across 19 organs and systems, then provides a detailed breakdown of how quickly each part of your body is aging.
—Allie Garfinkle, Fortune, 23 Oct. 2025
The newest Apple Watch can detect signs of hypertension; the Oura Ring is offering new menopause tracking features (and pretty new ceramic bands); the Samsung Galaxy Watch8 is getting into biomarker testing with a brand new antioxidant tracking and vascular load features.
—Maggie Ryan, Flow Space, 21 Oct. 2025
Previous studies have shown that the biomarker p-tau181 can predict the buildup of a protein in the brain called beta-amyloid.
—Tom Gavin, EverydayHealth.com, 20 Oct. 2025
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New Atlas, 24 Oct. 2025
The blood test analyzes 460 different biomarkers across 19 organs and systems, then provides a detailed breakdown of how quickly each part of your body is aging.
—Allie Garfinkle, Fortune, 23 Oct. 2025
The newest Apple Watch can detect signs of hypertension; the Oura Ring is offering new menopause tracking features (and pretty new ceramic bands); the Samsung Galaxy Watch8 is getting into biomarker testing with a brand new antioxidant tracking and vascular load features.
—Maggie Ryan, Flow Space, 21 Oct. 2025
Previous studies have shown that the biomarker p-tau181 can predict the buildup of a protein in the brain called beta-amyloid.
—Tom Gavin, EverydayHealth.com, 20 Oct. 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 Oct. 2025.
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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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