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

Researchers form Mass General Brigham observed these tinnitus biomarkers after seeing how a patient's face and eyes responded to exposure to unpleasant sounds. —Bronwyn Thompson, New Atlas, 11 May 2025

The tech can still identify novel therapies, patient populations or biomarker discoveries while researchers wait for new avenues of funding (or more solid decisions about existing ones). —Alexis Kayser, MSNBC Newsweek, 7 May 2025

These candidate biomarkers were subsequently analyzed in blood, prostate tissue, and urine samples from almost 2,000 patients. —Discover Magazine, 29 Apr. 2025

Despite substantial effort, scientists have yet to identify clinically actionable biomarkers for PTSD. —Jo A Sornborger, San Diego Union-Tribune, 29 Apr. 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