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complementation

[kom-pluh-muh n-tey-shuh n] /ˌkɒm plə mənˈteɪ ʃən/
noun
2.
Genetics. the occurrence of a wild-type phenotype when two closely related, interacting mutant genes are expressed in the same cell.
3.
Grammar.
  1. complement (def 6).
  2. the use of grammatical complements.
4.
cooperation in lowering tariffs to permit the movement of components among different countries when it is more profitable for each country to produce parts of a product than the whole.
Origin
1935-1940
1935-40; complement + -ation
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for complementation
  • Though the papers overlap to a great extent, there are subtle differences which result in complementation.
British Dictionary definitions for complementation

complementation

/ˌkɒmplɪmɛnˈteɪʃən/
noun
1.
the act or process of forming a complement
2.
(genetics) the combination of two homologous chromosomes, each with a different recessive mutant gene, in a single cell to produce a normal phenotype. The deficiency of one homologue is supplied by the normal allele of the other
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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complementation in Medicine

complementation com·ple·men·ta·tion (kŏm'plə-mən-tā'shən, -měn-)
n.

  1. Functional interaction between two defective viruses permitting replication under conditions inhibitory to the single virus.

  2. Interaction between two genetic units, one or both of which are defective, permitting the organism containing these units to function normally, whereas it could not do so if one unit were absent.

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

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Word Value for complementation

23
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