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

Resting heart rate is a key biomarker of cardiovascular health and overall well-being. —The Physics Arxiv Blog, Discover Magazine, 13 Mar. 2025

The authors concluded that semen quality may be a universal biomarker of morbidity (having a disease) and mortality. —Emily Kay Votruba, EverydayHealth.com, 12 Mar. 2025

Overall, the findings, published in February in the Journal of Imaging, suggest the retina could be a long Covid biomarker. —Katie Camero, NBC News, 11 Mar. 2025

While the proteomic clock offers these insights, viewing it as part of a broader spectrum of aging biomarkers is crucial. —William A. Haseltine, Forbes, 26 Feb. 2025

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