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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The newest Apple Watch can detect signs of hypertension; the Oura Ring is offering new menopause tracking features (and pretty new ceramic bands); the Samsung Galaxy Watch8 is getting into biomarker testing with a brand new antioxidant tracking and vascular load features.
—
Maggie Ryan, Flow Space, 21 Oct. 2025
Companies like Everlywell, Thorne, and Function Health now offer kits designed to reveal deeper insights into key wellness topics, including food sensitivities, stress responses, and other key biomarkers.
—Sara Braun, Sacbee.com, 17 Oct. 2025
Because serotonin regulates the brain’s processing of sensory information, including sound, the test offers a unique biomarker for understanding how antidepressants might affect each individual’s neurochemistry.
—Kaif Shaikh, Interesting Engineering, 13 Oct. 2025
The test captures a specific biomarker called Loudness Dependence of Auditory Evoked Potentials, or LDAEP, which measures the brain’s electrical activity in response to sound.
—Kristen Rogers, CNN Money, 12 Oct. 2025
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Maggie Ryan, Flow Space, 21 Oct. 2025
Companies like Everlywell, Thorne, and Function Health now offer kits designed to reveal deeper insights into key wellness topics, including food sensitivities, stress responses, and other key biomarkers.
—Sara Braun, Sacbee.com, 17 Oct. 2025
Because serotonin regulates the brain’s processing of sensory information, including sound, the test offers a unique biomarker for understanding how antidepressants might affect each individual’s neurochemistry.
—Kaif Shaikh, Interesting Engineering, 13 Oct. 2025
The test captures a specific biomarker called Loudness Dependence of Auditory Evoked Potentials, or LDAEP, which measures the brain’s electrical activity in response to sound.
—Kristen Rogers, CNN Money, 12 Oct. 2025
See All Example Sentences for biomarker
Cite this Entry
“Biomarker.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biomarker. Accessed 24 Oct. 2025.
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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