duplication

noun

du·​pli·​ca·​tion ˌdü-pli-ˈkā-shən 

 also  ˌdyü-

1

a

: the act or process of duplicating

b

: the quality or state of being duplicated

2

: duplicate, counterpart

3

: a part of a chromosome in which the genetic material is repeated

also : the process of forming a duplication

Synonyms

• alter ego
• carbon
• carbon copy
• clone
• counterpart
• doppelgänger
• doppelganger
• double
• duplicate
• facsimile
• fetch
• image
• likeness
• look-alike
• match
• mirror image
• picture
• replica
• ringer
• spit
• spitting image
• twin

Examples of duplication in a Sentence

He sent the manuscript out for duplication.

Please eliminate duplication when combining the lists.

Recent Examples on the Web

As organizations pursue ever more advanced and sensitive uses for data, the importance of limiting redundancy and duplication while easing governance and security will only continue to grow. —Taylor Brown, Forbes, 12 Sep. 2024

Instead, SpaceX wrote in a statement to the House subcommittee on space and aeronautics that licensing delays are caused by bureaucratic sluggishness, a lack of transparency, poor methodologies, and regulatory inefficiency and duplication. —Stephen Clark, Ars Technica, 10 Sep. 2024

These spots have all undergone rapid gene duplication in recent human history. —Laura Baisas, Popular Science, 5 Sep. 2024

Another challenge is to break down the silos between local governments and nonprofits to avoid duplication and effectively deploy resources that will be self-sustaining. —Sasha Hupka, The Arizona Republic, 3 Sep. 2024

Word History

First Known Use

15th century, in the meaning defined at sense 1a

Kids Definition

duplication

noun

du·​pli·​ca·​tion ˌd(y)ü-pli-ˈkā-shən 

1

a

: an act or process of duplicating

b

: the state of being duplicated

2

: duplicate entry 3

Medical Definition

duplication

noun

du·​pli·​ca·​tion ˌd(y)ü-pli-ˈkā-shən 

1

: the act or process of duplicating : the quality or state of being duplicated

2

: a part of a chromosome in which the genetic material is repeated

also : the process of forming a duplication

Legal Definition

duplication

noun

du·​pli·​ca·​tion ˌdü-pli-ˈkā-shən, ˌdyü- 

: the act, process, or result of duplicating