bio·​mark·​er | \ˈbī-ō-ˌmär-kər \

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

The Hopkins group was able to pinpoint the tissue of origin in many cases using its protein biomarkers. Jocelyn Kaiser, Science | AAAS, "Blood test shows promise for spotting early cancers," 17 Apr. 2018 Her work on the preclinical phase over the last decade has led to a new biological definition of Alzheimer’s: one based on the buildup of amyloid plaques and tau tangles, as identified by PET scans and other biomarkers. Joshua Kendall,, "Can this doctor figure out how to stop Alzheimer’s before it starts?," 11 June 2018 In research, biomarkers like beta amyloid, pathologic tau, and neurodegeneration are used to stage and measure the progression of Alzheimer’s disease. Amy M. Miller, STAT, "Studying sex differences will improve health for women and men," 13 June 2018 The hope is that one day CTE could be detected in the living through biomarkers in the blood, urine or saliva.. Kent Somers, azcentral, "NFL players sought for study to detect CTE in the living," 6 June 2018 One involves studying military veterans to see who is at highest risk for developing lung cancer using different biomarkers. Jonathan Saltzman,, "BU, Johnson & Johnson team up to seek earlier detection of lung cancer," 6 June 2018 The new algorithm also analyzed advanced biomarkers such as the levels of creatinine and bilirubin in the blood, which can offer clues about underlying infection. Ian Haydon,, "Working to save lives, Philly physicians find way to help patients confront death," 26 June 2018 Science has largely relied on point-in-time static biomarkers to assess health. WSJ, "Is There a Limit to the Human Lifespan?," 24 June 2018 O'Bryant has been developing a blood test for years that looks for specific biomarkers of Alzheimer's. Hanaa’ Tameez And Rodger Mallison, star-telegram, "Mexican-Americans show signs of Alzheimer's 10 years earlier than others, study says," 19 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

13 Oct 2018

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The first known use of biomarker was in 1973

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bio·​mark·​er | \ˈbī-ō-ˌmär-kər \

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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