biomarker

noun
bio·​mark·​er | \ ˈbī-ō-ˌmär-kər How to pronounce biomarker (audio) \

Definition of biomarker

: 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

If trauma can trigger such epigenetic changes in people, the alterations could serve as biomarkers to identify individuals at greater risk for mental illness or other health problems—and as targets for interventions that might reverse that legacy. Andrew Curry, Science | AAAS, "Parents’ emotional trauma may change their children’s biology. Studies in mice show how," 18 July 2019 An example that most people would be familiar with is cholesterol, which is a biomarker for heart disease. Mike Peticca, cleveland.com, "National Alzheimer’s Association official optimistic about eventual cure," 10 June 2019 Then Brown and his team looked for this chemical, called IP25, as a biomarker of sea-ice algae’s presence in polar bears. National Geographic, "The surprising reason polar bears need sea ice to survive," 1 Apr. 2019 Among the advances in battling Alzheimer’s and the other dementias is the ongoing progress in identifying biomarkers, which are indicators used to assess a person’s health. Mike Peticca, cleveland.com, "National Alzheimer’s Association official optimistic about eventual cure," 10 June 2019 Exact Sciences makes Cologuard, a colorectal cancer diagnostic test that can be used at home to screen for DNA biomarkers in stool. Scott Bauer, Milwaukee Journal Sentinel, "WEDC determines Exact Sciences doesn’t have to repay job creation tax credits," 18 June 2019 Evidence just doesn’t get any clearer than CBN biomarkers in a charred burner. Kiona N. Smith, Ars Technica, "Oldest evidence of cannabis smoking found in ancient Chinese cemetery," 12 June 2019 These bits of genetic material are biomarkers of aging and potential health risk, says study coauthor Susan Bailey, a health researcher at Colorado State University. Bill Ingalls, National Geographic, "One-of-a-kind study of astronaut twins hints at spaceflight’s health effects," 11 Apr. 2019 These are among the behavioral biomarkers researchers have established using facial and acoustic analysis. Sumathi Reddy, WSJ, "Does Your Smartphone Know if You’re Depressed?," 4 Apr. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'biomarker.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of biomarker

1973, in the meaning defined above

Keep scrolling for more

Learn More about biomarker

Statistics for biomarker

Last Updated

21 Jul 2019

Look-up Popularity

Time Traveler for biomarker

The first known use of biomarker was in 1973

See more words from the same year

Keep scrolling for more

More Definitions for biomarker

biomarker

noun
bio·​mark·​er | \ ˈbī-ō-ˌmär-kər How to pronounce biomarker (audio) \

Medical Definition of biomarker

: 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

More from Merriam-Webster on biomarker

Rhyming Dictionary: Words that rhyme with biomarker

Comments on biomarker

What made you want to look up biomarker? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

an act or instance of editing or removing

Get Word of the Day daily email!

Test Your Vocabulary

What's that Smell?! Quiz

  • wide eyed dog smelling rose
  • Someone who is hircine smells like a:
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

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