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

Begin by identifying and correcting errors, eliminating duplication and verifying data accuracy. —Ashok Manoharan, Forbes, 20 Nov. 2024

Change and continuity do not always go hand in hand, especially in a business as fickle as the live music industry, where success often breeds repetition and duplication. —George Varga, San Diego Union-Tribune, 13 Mar. 2024

According to the team, these initial duplications in our genomes were what laid the foundation for major variations in the amylase region. —Laura Baisas, Popular Science, 17 Oct. 2024

The concept, which feels created for duplication and expansion, is a Houston import created a decade ago by entrepreneur and McCombs Business School graduate Aaron Lyons, who attended the UT graduate program intent on creating a business plan for a restaurant that served fresh, affordable food. —Matthew Odam, Austin American-Statesman, 5 Jan. 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