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

Tesla announced plans to cut more than 10% of its global workforce in April, citing duplication of roles and the need for organizational streamlining. —Kara Dennison, Sphr, Cprw, Ec, Forbes, 21 Nov. 2024

The duplication of effort, the ridiculous hours, and the endless inefficiencies were invisible. —Mary Ann Grossmann, Twin Cities, 10 Nov. 2024

The research also revealed duplication of the AMY1 gene existed in the genomes of Neanderthals and Denisovans, an extinct hominin first discovered in 2010 about whom relatively little is known. —Katie Hunt, CNN, 18 Oct. 2024

Its safeguards are designed to prevent unauthorized duplication or distribution of digital media, potentially saving media companies in the United States over $100 billion annually. —Kyle J. Russell, USA TODAY, 14 Dec. 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