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

Wellness screenings offer a non-invasive analysis of each guest’s key biomarkers to understand individual needs. —Condé Nast, Condé Nast Traveler, 28 Mar. 2026

In one matchup, research on a biomarker for Alzheimer’s has a solid lead over an AI cell modeling project. —Theresa Gaffney, STAT, 27 Mar. 2026

Blood and saliva sampling to measure immune biomarkers and examine how space alters the immune system. —Matthew Glasser, ABC News, 26 Mar. 2026

This includes a whole-body scan and more detailed lab panels, like metabolic, cardiovascular, hormonal and inflammatory biomarkers. —David Oliver, USA Today, 23 Mar. 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