biomarker

American

[bahy-oh-mahr-ker] / ˈbaɪ oʊˌmɑr kər /

noun

a distinct biochemical, genetic, or molecular characteristic or substance that is an indicator of a particular biological condition or process.

a blood test to measure protein biomarkers for cancer.

biomarker British

/ ˈbaɪəʊˌmɑːkə /

noun

another name for biological marker

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of biomarker

First recorded in 1970–75; bio- ( def. ) + marker ( def. )

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

biomarker

They believe EEG technology could eventually serve as a "readily accessible, affordable and longitudinal biomarker of Alzheimer's disease."

From Science Daily ● Jul. 20, 2026

A biomarker is a measurable biological sign that can provide information about health, disease, or how the body is responding to a behavior or treatment.

From Science Daily ● Jul. 18, 2026

Tierra Santa is a far cry from the biomarker readings and recovery chambers that dominate New York’s luxury wellness scene.

From The Wall Street Journal ● Jun. 9, 2026

But it’s a biomarker with clinical backing for impending heart attack risk, and she recommends it at MDVIP.

From Barron's ● May 21, 2026

Never mind that the FDA blessed the biomarker measure before Regenxbio had commenced its trial.

From The Wall Street Journal ● Feb. 24, 2026

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023