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

The affected staffers work in editorial, sound, color grading, quality control, digital duplication, digital restoration and data management. —Katie Kilkenny, The Hollywood Reporter, 29 Oct. 2024

Reconstruction of the human amylase locus reveals ancient duplications seeding modern-day variation Postdoctoral Associate with the Jackson Laboratory for Genomic Medicine. —Paul Smaglik, Discover Magazine, 18 Oct. 2024

One way companies reduced costs below that threshold was to merge, avoiding duplication of administrative processes. —Rita Numerof, Forbes, 18 Oct. 2024

Russell adds that there is a great deal of duplication in the work governments are doing to evaluate AI with a view to regulation. —Will Knight, WIRED, 19 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