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

"This is a first step in introducing a new biomarker," McPartland says.

From Science Daily ● Oct. 28, 2026

A biomarker is a measurable biological sign that provides information about a person's health or a particular disease.

From Science Daily ● Oct. 19, 2026

Grip strength is increasingly being viewed as an important biomarker of our overall strength and fitness.

From The Wall Street Journal ● Oct. 1, 2026

For Quest, the test will be part of its menu of blood-based Alzheimer’s biomarker tests under the AD-Detect brand name.

From The Wall Street Journal ● Aug. 24, 2026

In one data set, 728 participants received brain scans or biomarker testing during life.

From Science Daily ● Aug. 14, 2026

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