Definition of duplication in English:


Line breaks: du¦pli|ca¦tion
Pronunciation: /djuːplɪˈkeɪʃn


[mass noun]
1The action or process of duplicating something: an attempt to avoid unnecessary duplication of effort
More example sentences
  • That would simply lead to a proliferation of bodies, unnecessary duplication of costs and effort, and coordination problems.
  • Now, the idea there, as I understand it, is to avoid unnecessary duplication between submissions.
  • All parties were permitted to be represented at the various phases in a manner designed to avoid unnecessary duplication.
1.1 [count noun] Genetics A DNA segment in a chromosome which is a copy of another segment.
More example sentences
  • The screen that generated these new sc alleles also produced autosomal duplications.
  • This homolog maps on chromosome 10L and is part of the most recent set of segmental duplications in the maize genome.
  • Why are there so many segmental duplications in the human genome?


late Middle English (used in the mathematical sense 'multiplication by two'): from Old French, or from Latin duplicatio(n-), from duplicare 'to double' (see duplicate).

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