biomarker

noun

bio·​mark·​er ˈbī-ō-ˌmär-kər How to pronounce biomarker (audio)
: 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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Beyond the emergency features, the Link captures a lot of biomarkers — activity, sleep, calories and heart rate variability, to name a few. — Maggie Ryan, Flow Space, 3 Sep. 2026 Penn State researchers developed a wearable sensor that continuously monitors low rates of perspiration for lactate, a biomarker that can indicate oxygen starvation in tissues. — Hanna Wickes, Charlotte Observer, 2 Sep. 2026 In the Phase 2 TRANQUILITY study, the drug, pacibekitug, led to sustained decreases in biomarkers of inflammation, according to results presented Saturday at the European Society of Cardiology’s annual meeting in Munich. — Andrew Joseph, STAT, 29 Aug. 2026 Measures urine biomarkers including hydration, nutrition and kidney stone risk. — Hanna Wickes, Fort Worth Star-Telegram, 27 Aug. 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

Rhymes for biomarker

See All Rhymes for biomarker

Browse Nearby Words

biomagnification
biomarker
biomass
See all Nearby Words

Cite this Entry

“Biomarker.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biomarker. Accessed 7 Sep. 2026.

Copy Citation

Medical Definition

biomarker

noun
bio·​mark·​er ˈbī-ō-ˌmär-kər How to pronounce biomarker (audio)
: 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
Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster

Word of the Day

Listen to the pronunciation of gist

See Definitions and Examples »

Popular in Grammar & Usage

See More

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

A List of Most Commonly Confused Words

Why do we use apostrophes to show possession?

Is it 'nerve-racking' or 'nerve-wracking'?

What's the difference between 'fascism' and 'socialism'?
See More

Popular in Wordplay

See More

The Longest Long Words List

Stay Woke

Ye Olde Nincompoop: Old-Fashioned Words for 'Stupid'

14 Phobias You Probably Haven't Heard Of

The Words of the Week - Sept. 4
See More

Popular

See More

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

The Longest Long Words List

Stay Woke
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
anagrams on a chalk board
Word Builder Quiz Vol. 2 Pick the letter that when added to a word will ma...
See All