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marker

 - 9 dictionary results

mark⋅er

[mahr-ker]
–noun
1. a person or thing that marks.
2. something used as a mark or indication, as a bookmark or tombstone.
3. a person who records the scores, points, etc., as in a game or contest.
4. a counter used in card playing.
5. Genetics. genetic marker.
6. Psychology. an object, as a book or topcoat left at a library table, used to establish territorial possession in a public place.
7. Linguistics.
a. an element of a construction, as a coordinating conjunction, that is not a part of either immediate constituent.
b. an element that indicates the grammatical class or function of a construction.
8. a small radio beacon, automatically operated, used for local navigation of vessels.
9. mile-marker.
10. Also called marker pen, marking pen. a pen designed for making bold, colorful, or indelible marks, as in making signs or identifying objects.
11. Slang.
a. a debt, esp. a gambling debt.
b. a written or signed promise to pay a debt, esp. a gambling debt; a promissory note or IOU.
12. Also called marker crude. Commerce. a grade of oil on which prices of other crude oils are based.
13. Citizens Band Radio Slang. one's location while driving on a highway, as determined by the nearest milepost.

Origin:
1480–90; mark 1 + -er 1

genetic marker

–noun
1. any distinct inheritable indicator of identity and ancestry.
2. HLA antigen.
3. a chromosomal landmark or allele that allows for the tracing of a specific region of DNA, as in the study of recombination.
Also called marker, marker gene.


Origin:
1945–50

mile-mark⋅er

[mahyl-mahr-ker]
–noun
a numbered milepost along a highway: used as a way of determining the exact location of a vehicle.
Also, milemarker.
Also called marker.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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mark·er   (mär'kər)   
n.  
  1. One that marks or serves as a mark, as:

    1. A bookmark.

    2. A tombstone.

    3. A milestone.

    4. A device, such as a line, stake, or flag, set on a playing field and showing the playing or scoring position.

    5. A player who guards an opponent, as in soccer.

    6. An official in certain court games, such as squash, who mainly judges whether the ball is out of play and whether a fault or let has occurred.

    7. One that keeps score in various games.

    8. A score in a game.

  2. An implement, especially a felt-tipped pen, used for marking or writing.

  3. One who marks objects, especially for industrial purposes.

  4. One who grades student papers.

  5. Sports

    1. A device, such as a line, stake, or flag, set on a playing field and showing the playing or scoring position.

    2. A player who guards an opponent, as in soccer.

    3. An official in certain court games, such as squash, who mainly judges whether the ball is out of play and whether a fault or let has occurred.

    4. One that keeps score in various games.

    5. A score in a game.

  6. Games

    1. One that keeps score in various games.

    2. A score in a game.

  7. Slang A written, signed promissory note.

  8. A genetic marker.

  9. Medicine A physiological substance, such as human chorionic gonadotropin or alpha-fetoprotein, that when present in abnormal amounts in the serum may indicate the presence of disease, as that caused by a malignancy. Also called biomarker.

  10. Linguistics An element that indicates grammatical class or function; a derivational or inflectional morpheme.

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Slang Dictionary
marker

  1. n.
    a personal promissory note; an IOU. : Bart signed a marker for $3,000 and handed it to Sam.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition.
Copyright 2007. Published by McGraw Hill.
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Medical Dictionary

Main Entry: genetic marker
Function: noun
: a readily recognizable genetic trait, gene, DNA segment, or gene product used for identification purposes especially whenclosely linked to a trait or to genetic material that is difficult to identify called also marker

Main Entry: mark·er
Pronunciation: 'mär-k&r
Function: noun
1 : something that serves to identify, predict, or characterize marker on a cell that acts as an antigen> marker for Lyme disease —Cecelia E. Holmes & Mary C. Massa>
2 : GENETIC MARKERcalled also marker gene
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

genetic marker n.
A gene phenotypically associated with a particular, easily identified trait and used to identify an individual or cell carrying that gene.

marker mark·er (mär'kər)
n.

  1. One that marks or serves as a mark.

  2. 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. Also called biomarker.

  3. 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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