: 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
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New Atlas recently covered an experimental smart ring developed at UC San Diego that goes beyond optical sensing entirely, analysing sweat for biomarkers including glucose and ketones. — New Atlas, 2 Oct. 2026 Increasingly, regulators are evaluating how clinical data, computational models, biomarkers, real-world evidence and mechanistic understanding work together to support a development decision. — Mirjam Trame, Forbes.com, 2 Oct. 2026 Among them is the Wellcome Leap Quantum for Bio (Q4Bio) program, where Infleqtion pioneered and demonstrated on hardware a quantum neural network approach with training on GPU and inference on QPU for biomarker discovery. — Prabhat Ranjan Mishra, Interesting Engineering, 25 Sep. 2026 Along with biotech firms researching cell aging and regeneration, the burgeoning business of longevity also includes the surge in demand for peptides, testosterone and supplements, along with IV drips, red-light therapies and biomarker trackers. — Robert Frank, CNBC, 23 Sep. 2026 See All Example Sentences for biomarker

Word History

First Known Use

1973, in the meaning defined above

Time Traveler
The first known use of biomarker was in 1973

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Cite this Entry

“Biomarker.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biomarker. Accessed 9 Oct. 2026.

Medical Definition

: 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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