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

Horvath spent more than a decade as a UCLA professor studying the molecular biomarker. — Hanna Wickes, Kansas City Star, 14 Sep. 2026

Clinical biomarkers and neuroimaging do not hold all the answers; many disorders—such as Alzheimer’s and some types of strokes—still require postmortem analysis for diagnostic confirmation. — The New Yorker, New Yorker, 7 Sep. 2026

Beyond the emergency features, the Link captures a lot of biomarkers — activity, sleep, calories and heart rate variability, to name a few. — Maggie Ryan, Flow Space, 3 Sep. 2026

Penn State researchers developed a wearable sensor that continuously monitors low rates of perspiration for lactate, a biomarker that can indicate oxygen starvation in tissues. — Hanna Wickes, Charlotte Observer, 2 Sep. 2026

Word History

First Known Use

1973, in the meaning defined above

Rhymes for biomarker

• barker
• darker
• marker
• starker

Medical 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