duplication — English Dictionary

Noun

1. The act of duplicating.

   Usage

   • Countable
   • Uncountable

   Examples

   Another argument for closing Woodhead was simply one of route duplication, and this was the main reason put forward by BR at the time.

2. A duplicate.

   Usage

   • Countable
   • Uncountable

   Examples

   More examples (1)

   Counting crimes as given in the index to the Penal Code, their number is nearly twice as great as that stated, but as some are only duplications I have reduced my estimate that it may be well within the limits of the fact.

   Registration of trademarks had been revised and a unit had been set up to clear up duplications.

   More examples (1)

   Duplications were made by carbon paper. If you had a pleading to be sent to three parties, you typed an original and four carbon copies, including an office copy.

3. A folding over; a fold.

   Usage

   • Countable
   • Uncountable

4. The act or process of dividing by natural growth or spontaneous action.

   Usage

   • Countable
   • Uncountable

   Examples

   duplication of cartilage cells

5. The act of copying a nucleotide sequence from one chromosome to another.

   Usage

   • Countable
   • Uncountable

6. A nucleotide sequence copied through such a process.

   Usage

   • Countable
   • Uncountable

Noun

1. a copy that corresponds to an original exactly

   Synonyms

   duplicate

   Broader terms

   copy

   Examples

   he made a duplicate for the files

2. the act of copying or making a duplicate (or duplicates) of something

   Synonyms

   gemination

   Broader terms

   copying

   Examples

   this kind of duplication is wasteful