marker

noun

mark·​er ˈmär-kər How to pronounce marker (audio)
1
: one that marks
2
: something used for marking: such as
a
: a type of felt tip pen that makes wide lines
drew a tree with green and brown markers
used a permanent marker to label the boxes
b
: any of various sewing devices for making or indicating guidelines
a pin marker for hemlines
3
: score sense 7
specifically : run
4
5
: something that serves to identify, predict, or characterize: such as
a

Examples of marker in a Sentence

A person's accent can be a marker of social class. the markers on the rock and mineral specimens were old and faded
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.
But Latino voter dissatisfaction persisted despite better economic markers as the election progressed. Suzanne Gamboa, NBC News, 6 Nov. 2024 In the second quarter of the game at Lincoln Financial Field, the 27-year-old received a pass from quarterback Jalen Hurts on a key third down, still needing to evade two defenders to reach the first down marker. Ben Morse, CNN, 4 Nov. 2024 The mice that participated in the experiment had high levels of epigenetic markers on genes that control the opening and closing of chromatin. William A. Haseltine, Forbes, 1 Nov. 2024 Wills, the executive director of the preservation society, originally had ambitions to secure just three historical markers. Karina Atkins, Chicago Tribune, 27 Oct. 2024 See all Example Sentences for marker 

Word History

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of marker was in the 15th century

Dictionary Entries Near marker

Cite this Entry

“Marker.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/marker. Accessed 21 Nov. 2024.

Kids Definition

marker

noun
mark·​er ˈmär-kər How to pronounce marker (audio)
1
: one that marks
2
: something used for marking

Medical Definition

marker

noun
mark·​er ˈmär-kər How to pronounce marker (audio)
: something that serves to identify, predict, or characterize
a surface marker on a cell that acts as an antigen
: as
a
: biomarker
The recent discovery of a serological marker for the hepatitis C virus has greatly improved diagnostic accuracy for this form of hepatitis.Gary P. Wormser, letter in The Journal of the American Medical Association
b
: genetic marker
The idea in genetic linkage analysis is to see if any particular marker, which serves as a signpost for a specific region of a chromosome, is consistently inherited along with the disease …Leslie Roberts, Science

called also marker gene

More from Merriam-Webster on marker

Last Updated: - Updated example sentences
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