biomarker

noun bio·mark·er \ ˈbī-ō-ˌmär-kər \
Updated on: 15 Nov 2017

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)

Recent Examples of biomarker from the Web

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.

First Known Use of biomarker

1973


Medical Dictionary

biomarker

noun bio·mark·er \ ˈbī-ō-ˌmär-kər \

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

Learn More about biomarker


Seen and Heard

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

Love words? Need even more definitions?

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

WORD OF THE DAY

to praise usually to excess

Get Word of the Day daily email!

Test Your Vocabulary

Find the Cousins

  • a-large-tree-with-many-branches
  • Which pair shares a common word ancestor?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
SCRABBLE® Sprint

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!