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Related to contention: memory contention

a bone of contention

An unresolved problem, dispute, or disagreement. Jerry leaving his dirty dishes in the sink for days became a bone of contention between him and his roommate.
See also: bone, contention, of

in contention

Among those eligible to win something; in competition. Don't count them out just because they've been on a losing streak—they're still in contention for that final playoff spot.
See also: contention
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

bone of contention

Fig. the subject or point of an argument; an unsettled point of disagreement. We've fought for so long that we've forgotten what the bone of contention is. The question of a fence between the houses has become quite a bone of contention.
See also: bone, contention, of
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.

bone of contention

Main issue of a disagreement; something to quarrel about. For example, Grandfather's will was a bone of contention for the whole family. This expression alludes to two dogs fighting (contending) over a single bone. In slightly different guise, bone of dissension, it was used figuratively in the 16th century and took its present form in the early 1700s.
See also: bone, contention, of
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

a bone of contention

COMMON A bone of contention is an issue that people are arguing about. Both players were lectured severely by the referee, but the real bone of contention was the injury to Montgomery. Pay, of course, is not the only bone of contention. Note: The image here is of two dogs fighting over a bone.
See also: bone, contention, of
Collins COBUILD Idioms Dictionary, 3rd ed. © HarperCollins Publishers 2012

a bone of contention

a subject or issue over which there is continuing disagreement.
The idea is of a bone thrown into the midst of a number of dogs and causing a fight between them.
See also: bone, contention, of
Farlex Partner Idioms Dictionary © Farlex 2017

a bone of conˈtention

a matter about which there is a lot of disagreement: The interpretation of this painting has long been a bone of contention among art historians.
See also: bone, contention, of

in/out of conˈtention (for something)

with/without a chance of winning something: Only three teams are now in contention for the title.With that defeat, Marshall dropped out of contention.
See also: contention, of, out
Farlex Partner Idioms Dictionary © Farlex 2017

bone of contention

The subject of a dispute.
See also: bone, contention, of
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

bone of contention, the

The central point of a dispute. The phrase alludes to two dogs fighting over a single bone, and originally was a bone of dissension (“This became a bone of dissension between these deere friends,” William Lambarde, 1576). The current cliché dates from the early eighteenth century, although the metaphor of dogs fighting over a bone had been transferred to human quarrels long before (“The devil hath cast a bone to set stryfe between you,” John Heywood’s Proverbs, 1562).
See also: bone, of
The Dictionary of Clichés by Christine Ammer Copyright © 2013 by Christine Ammer
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References in periodicals archive ?
On Williams' return date, Wagner added: "I think, if everything goes to plan, he will be back in contention after the international break."
DERBY COUNTY v SHEFF UNITED Rams' Curtis Davies (hamstring) and George Evans (knee) are in contention. United's Conor Washington will be available after his omission from the Northern Ireland squad for personal reasons.
Critique: An extraordinary and seminal work of impeccable scholarship, "Mobilizing without the Masses: Control and Contention in China" is informationally enhanced further with the inclusion of figures and tables, a nine page appendix (Political Ethnography), a sixteen page bibliography, and a seven page index.
* Reduction of the repetition in rounds of contention of BMSs in CAP period using Equation 2.
The tax forum accepted the contention that documents seized during the raids were "loose papers and electronic documents were fabricated and had no evidentiary value".
I got a letter through saying I'm in contention....
Prioritizing engagement over contention has proven to be a lesson learned the hard way for AKP elites.
BAGHDAD / NINA / Deputy Head of the Legal Committee in the House of Representatives Muhsin al-Sadoun announced an agreement on the points of contention regarding the general amnesty law at the meeting of the Legal Committee yesterday.
The author has organized the chapters that make up the main body of his text in parts devoted to an introduction to optical packed switched (OPS) networks, contention avoidance in OPS networks, contention resolution in OPS networks, hybrid contention avoidance/resolution in OPS networks, hybrid OPS networks, and metro OPS networks.
The Hague -- England played tactical hockey to overcome a strong challenge from Malaysia with a 2-0 win and stay in contention for the semifinals of the men's World Cup here Thursday.
Gillian Cooke yesterday leapt into contention for a Commonwealth Games long jump place.
Bursts contention occurs when attempting to transmit several optical bursts at the time in to the same core router output port, i.e.
Barnsley v Birmingham vvMarcus Tudgay is in contention to start after joining on loan from Nottingham Forest.
FELL RUNNING SEVERAL athletes from North and Mid Wales will be in contention for prizes when the Welsh Fell Running Championship concludes on Sunday.