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[ling-kij] /ˈlɪŋ kɪdʒ/
the act of linking; state or manner of being linked.
a system of links.
Genetics. an association between two or more genes on a chromosome that tends to cause the characteristics determined by these genes to be inherited as an inseparable unit.
Machinery. an assembly of four or more rods for transmitting motion, usually in the same plane or in parallel planes.
a factor or relationship that connects or ties one thing to another; link:
Administration officials sought to establish linkage between grain sales and relaxed immigration laws.
any of various mathematical or drawing devices consisting of a combination of bars or pieces pivoted together so as to turn about one another, usually in parallel planes.
Electricity, flux linkage.
Origin of linkage
1870-75; link1 + -age
Related forms
nonlinkage, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for linkage
  • Finally, candidates must have a record of success in the effective linkage of financial aid to student enrollment and retention.
  • In one embodiment, a motor is coupled to the tuning linkage such that an operator can manually adjust the tuning via a motor.
  • Actually, if the team's claim holds up, it will be the first confirmed linkage of a specific gene to any complex behavioral trait.
  • They point out that this requires large-scale linkage of habitat to preserve gene flow of all species.
  • There's a thematic linkage, but no actual budgetary connexion between the one and the other.
  • There are amazing lengths and ways how treat can be used to build emotional linkage.
  • Earlier linkage studies which reported such genes made huge media splashes and tended to fade because of lack of replication.
  • To get a handle on these particular details the authors looked at two statistics, linkage disequilibrium and runs-of-homozygosity.
  • There are other neutral or linkage-based possibilities.
  • Recombination works against this, resulting in decay over time of linkage disequilibrium which spikes in th wake of selection.
British Dictionary definitions for linkage


the act of linking or the state of being linked
a system of interconnected levers or rods for transmitting or regulating the motion of a mechanism
(electronics) the product of the total number of lines of magnetic flux and the number of turns in a coil or circuit through which they pass
(genetics) the occurrence of two genes close together on the same chromosome so that they are unlikely to be separated during crossing over and tend to be inherited as a single unit
the fact of linking separate but related issues in the course of political negotiations
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
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Word Origin and History for linkage

1874, from link (v.) + -age.

To understand the principle of Peaucellier's link-work, it is convenient to consider previously certain properties of a linkage, (to coin a new and useful word of general application), consisting of an arrangement of six links, obtained in the following manner ... (etc.). ["Recent Discoveries in Mechanical Conservation of Motion," in "Van Nostrand's Eclectic Engineering Magazine," vol. XI, July-December 1874]

Online Etymology Dictionary, © 2010 Douglas Harper
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linkage in Medicine

linkage link·age (lĭng'kĭj)
An association between two or more genes such that the traits they control tend to be inherited together.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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