biomarker

noun bio·mark·er \ ˈbī-ō-ˌmär-kər \
|Updated on: 7 Jul 2018

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)

Recent Examples of biomarker from the Web

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.

First Known Use of biomarker

1973

in the meaning defined above

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Medical Dictionary

biomarker

noun 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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