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.
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 Finding a single biomarker that reflects multiple processes at the same time is unrealistic. — Anand Kumar, The Conversation, 26 Aug. 2026 No one explicitly bans caffeine or alcohol, but after days of obsessing over my biomarkers, both begin to seem entirely irrelevant. — Abby Montanez, Robb Report, 23 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 1 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!

Popular in Grammar & Usage

See More

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

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

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

Why does English have so many silent letters?

7 Pairs of Commonly Confused Words
See More

Popular in Wordplay

See More

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

14 Phobias You Probably Haven't Heard Of

Even More Words That Sound Like Insults But Aren't

Even More Bird Names that Sound Like Insults (and Sometimes Are)

12 Lovely and Unusual Words for the Natural World
See More

Popular

See More

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

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

14 Phobias You Probably Haven't Heard Of
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
skateboard-dog-hat
Wordmaxxing Slang Quiz Give your vocabulary a glow up by getting sendy w...
See All