bio·​mark·​er | \ ˈbī-ō-ˌmär-kər How to pronounce biomarker (audio) \

Definition of biomarker

: 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

Among the advances in battling Alzheimer’s and the other dementias is the ongoing progress in identifying biomarkers, which are indicators used to assess a person’s health. Mike Peticca,, "National Alzheimer’s Association official optimistic about eventual cure," 10 June 2019 Exact Sciences makes Cologuard, a colorectal cancer diagnostic test that can be used at home to screen for DNA biomarkers in stool. Scott Bauer, Milwaukee Journal Sentinel, "WEDC determines Exact Sciences doesn’t have to repay job creation tax credits," 18 June 2019 Evidence just doesn’t get any clearer than CBN biomarkers in a charred burner. Kiona N. Smith, Ars Technica, "Oldest evidence of cannabis smoking found in ancient Chinese cemetery," 12 June 2019 These bits of genetic material are biomarkers of aging and potential health risk, says study coauthor Susan Bailey, a health researcher at Colorado State University. Bill Ingalls, National Geographic, "One-of-a-kind study of astronaut twins hints at spaceflight’s health effects," 11 Apr. 2019 These are among the behavioral biomarkers researchers have established using facial and acoustic analysis. Sumathi Reddy, WSJ, "Does Your Smartphone Know if You’re Depressed?," 4 Apr. 2019 Blood pressure, cholesterol, glucose, insulin and other biomarkers fell, possibly lowering their risk for heart disease, cancer and diabetes. Mark Barna, Discover Magazine, "Not So Fast," 24 Sep. 2018 His health biomarkers, especially his blood pressure, were excellent. Mark Barna, Discover Magazine, "Not So Fast," 24 Sep. 2018 The blood biomarker method could be refined in a way that might help doctors and moms, said Louis Muglia, co-director of the Perinatal Institute at Cincinnati Children’s Hospital Medical Center. Julia Belluz, Vox, "Why doctors are so bad at predicting pregnancy due dates," 9 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'biomarker.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of biomarker

1973, in the meaning defined above

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Last Updated

7 Jul 2019

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The first known use of biomarker was in 1973

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bio·​mark·​er | \ ˈbī-ō-ˌmär-kər How to pronounce biomarker (audio) \

Medical Definition of biomarker

: 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

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