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complementation

[ kom-pluh-muhn-tey-shuhn ]
/ ˌkɒm plə mənˈteɪ ʃən /
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noun
Genetics. the occurrence of a wild-type phenotype when two closely related, interacting mutant genes are expressed in the same cell.
Grammar.
  1. complement (def. 6).
  2. the use of grammatical complements.
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.
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Origin of complementation

First recorded in 1935–40; complement + -ation
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use complementation in a sentence

British Dictionary definitions for complementation

complementation
/ (ˌkɒmplɪmɛnˈteɪʃən) /

noun
the act or process of forming a complement
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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