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[trans-loh-key-shuh n, tranz-] /ˌtræns loʊˈkeɪ ʃən, ˌtrænz-/
a change of location.
Genetics. a chromosomal rearrangement in which a segment of genetic material from one chromosome becomes heritably linked to another chromosome.
Botany. the conduction of soluble food material from one part of a plant to another.
Origin of translocation
First recorded in 1615-25; trans- + location
Related forms
nontranslocation, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for translocation
Historical Examples
  • Or would his remonstrants accept the translocation of blame?

    Thomas Wingfold, Curate George MacDonald
  • This first organic synthate must be condensed into some carbohydrate suitable for translocation and storage as reserve food.

    The Chemistry of Plant Life Roscoe Wilfred Thatcher
  • It appears to exist in two modifications, known, respectively, as (a) translocation diastase and (b) diastase of secretion.

    The Chemistry of Plant Life Roscoe Wilfred Thatcher
British Dictionary definitions for translocation


(genetics) the transfer of one part of a chromosome to another part of the same or a different chromosome, resulting in rearrangement of the genes
(botany) the transport of minerals, sugars, etc, in solution within a plant
a movement from one position or place to another
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 translocation

1620s, from trans- + location.

Online Etymology Dictionary, © 2010 Douglas Harper
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translocation in Medicine

translocation trans·lo·ca·tion (trāns'lō-kā'shən, trānz'-)
Transposition of two segments between nonhomologous chromosomes as a result of abnormal breakage and refusion of reciprocal segments.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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translocation in Science
  1. A chromosomal aberration in which a chromosomal segment changes position, usually moving from one chromosome to a different, nonhomologous chromosome. In one type of Down Syndrome, for example, translocation of a large segment of chromosome 21 to another chromosome results in an individual who has the genetic equivalent of three chromosomes 21 and thus has the phenotype of Down syndrome but who has a normal total number of chromosomes. A translocation within a given chromosome is called a shift.

  2. A chromosomal segment that is translocated.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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