"linkage" in the noun sense
1. linkage
an associative relation
2. linkage, gene linkage
genetics) traits that tend to be inherited together as a consequence of an association between their genes all of the genes of a given chromosome are linked (where one goes they all go)
3. linkage
a mechanical system of rods or springs or pivots that transmits power or motion
4. linkage
the act of linking things together
Source: WordNet® (An amazing lexical database of English)
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