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marker

[ mahr-ker ]
/ ˈmɑr kər /
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See synonyms for: marker / markers on Thesaurus.com

noun
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Which of the following words means “to make a crackling sound; crackle”?
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Origin of marker

First recorded in 1480–90; mark1 + -er1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use marker in a sentence

British Dictionary definitions for marker

marker
/ (ˈmɑːkə) /

noun
  1. something used for distinguishing or marking
  2. (as modifier)a marker buoy
a person or thing that marks
a person or object that keeps or shows scores in a game
a trait, condition, gene, or substance that indicates the presence of, or a probable increased predisposition to, a medical or psychological disorderSee biological marker, genetic marker, medical marker
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for marker

marker
[ märkər ]

n.
One that marks or serves as a mark.
A physiological substance, such as human chorionic gonadotropin or alpha-fetoprotein, that may indicate disease when present in abnormal amounts in the serum, as that caused by a malignancy.biomarker
A genetic marker.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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