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

Yet moonshot biotech—from cell reprogramming to biomarker diagnostics—can take 15–20 years. —Sindhya Valloppillil, Forbes.com, 9 Sep. 2025

The participants were enrolled in ANMerge, a European study to better understand biomarkers for Alzheimer’s. —Brian Mastroianni, Health, 5 Sep. 2025

So, in short, biomarkers matter—especially in this time of life. —Alexa Mikhail, Flow Space, 4 Sep. 2025

Scientists can now identify early biomarkers to diagnose Alzheimer’s disease, but these tools raise ethical and social concerns. —Andrea Gawrylewski, Scientific American, 2 Sep. 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