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
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In general, women also tend to have more severe symptoms than men at the time of diagnosis, which mirror worse biomarkers—a greater drop in blood pressure or blood-oxygen level, for instance, and more evidence of strain on the heart.
—
Erica Sloan, SELF, 10 Feb. 2026
If this biomarker test becomes the standard of care, McDonald said more babies would need less intervention, free up NICU beds and have better outcomes.
—Nicole Villalpando, Austin American Statesman, 7 Feb. 2026
Prototaxites, however, lacked these biomarkers.
—Katie Hunt, CNN Money, 5 Feb. 2026
When the team examined the combined imaging and biomarker data from 634 people with multiple sclerosis, an unexpected pattern began to take shape.
—New Atlas, 4 Feb. 2026
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Erica Sloan, SELF, 10 Feb. 2026
If this biomarker test becomes the standard of care, McDonald said more babies would need less intervention, free up NICU beds and have better outcomes.
—Nicole Villalpando, Austin American Statesman, 7 Feb. 2026
Prototaxites, however, lacked these biomarkers.
—Katie Hunt, CNN Money, 5 Feb. 2026
When the team examined the combined imaging and biomarker data from 634 people with multiple sclerosis, an unexpected pattern began to take shape.
—New Atlas, 4 Feb. 2026
See All Example Sentences for biomarker
Cite this Entry
“Biomarker.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biomarker. Accessed 15 Feb. 2026.
Copy CitationMedical 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
Janet RaloffLove words? Need even more definitions?
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