Definition of Duplicate

1. Noun. Something additional of the same kind. "He always carried extras in case of an emergency"

Exact synonyms: Extra
Generic synonyms: Artefact, Artifact

2. Verb. Make or do or perform again. "He could never replicate his brilliant performance of the magic trick"

3. Adjective. Identically copied from an original. "A duplicate key"
Similar to: Same

4. Noun. A copy that corresponds to an original exactly. "He made a duplicate for the files"
Exact synonyms: Duplication
Specialized synonyms: Backup, Computer Backup, Counterpart, Similitude, Twin, Match, Mate
Generic synonyms: Copy

5. Verb. Duplicate or match. "The polished surface twinned his face and chest in reverse"
Exact synonyms: Parallel, Twin
Generic synonyms: Agree, Check, Correspond, Fit, Gibe, Jibe, Match, Tally
Derivative terms: Twin

6. Adjective. Being two identical.
Exact synonyms: Matching, Twin, Twinned
Similar to: Matched

7. Verb. Make a duplicate or duplicates of. "Could you please duplicate this letter for me?"
Generic synonyms: Reproduce
Derivative terms: Duplication, Duplication, Duplicator

8. Verb. Increase twofold. "Their earnings duplicate this year"; "The population doubled within 50 years"
Exact synonyms: Double
Specialized synonyms: Redouble, Geminate
Generic synonyms: Manifold, Multiply
Derivative terms: Double, Doubling, Doubling
Also: Double Up

Definition of Duplicate

1. a. Double; twofold.

2. n. That which exactly resembles or corresponds to something else; another, correspondent to the first; hence, a copy; a transcript; a counterpart.

3. v. t. To double; to fold; to render double.

Definition of Duplicate

1. Adjective. being the same as another; identical. This ''may'' exclude the first identical item in a series, but usage is inconsistent. ¹

2. Verb. to make a copy of ¹

3. Verb. to do repeatedly; to do again ¹

4. Verb. to produce something equal to ¹

5. Noun. One that resembles or corresponds to another; an identical copy. ¹

¹ Source:

Definition of Duplicate


Medical Definition of Duplicate

1. Double; twofold. Duplicate proportion or ratio, the proportion or ratio of squares. Thus, in geometrical proportion, the first term to the third is said to be in a duplicate ratio of the first to the second, or as its square is to the square of the second. Thus, in 2, 4, 8, 16, the ratio of 2 to 8 is a duplicate of that of 2 to 4, or as the square of 2 is to the square of 4. Origin: L. Duplicatus, p. P. Of duplicare to double, fr. Duplex double, twofold. See Duplex. 1. To double; to fold; to render double. 2. To make a duplicate of (something); to make a copy or transcript of. 3. To divide into two by natural growth or spontaneous action; as, infusoria duplicate themselves. Origin: Duplicated; Duplicating. Source: Websters Dictionary (01 Mar 1998)

Duplicate Pictures

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Lexicographical Neighbors of Duplicate

duplex kidney
duplex nail
duplex transmission
duplex ultrasonography
duplex uterus
duplicate (current term)
duplicate publication
duplication of chromosomes

Literary usage of Duplicate

Below you will find example usage of this term as found in modern and/or classical literature:

1. Biological Bulletin by Marine Biological Laboratory (Woods Hole, Mass.) (1915)
"Although his conclusions were criticized by Kajanus,' yet there remains a strong presumption in their favor, and several other cases of supposed duplicate ..."

2. Lawyers' Reports Annotated by Lawyers Co-operative Publishing Company (1905)
"All the evidence in the case, the duplicate itself, and the plaintiff's own ... After a con- tmct is duly entered into, tbe making of a duplicate adds ..."

3. A Treatise on the Bankruptcy Law of the United States by Harold Remington (1915)
"The petition in involuntary bankruptcy must be filed in duplicate, ... The objection that it was not filed in duplicate is waived by answering over or ..."

4. A Treatise on the Law of Carriers: As Administered in the Courts of the by Robert Hutchinson, Jacob Scott Matthews, William Frederick Dickinson (1906)
"Same subject—duplicate receipts—Goods deliverable only on production of duplicate.—So, in another case, goods were delivered for carriage to a railroad ..."

5. The Law and Practice in Bankruptcy Under the National Bankruptcy Act of 1898 by William Miller Collier, William Horace Hotchkiss, Frank Bixby Gilbert, Fred Eugene Rosbrook (1921)
"Involuntary petitions must be in duplicate.— (1) IN GENERAL.— Although this seems to mean two petitions, each an original and not an original and a copy,112 ..."

6. Reports of Cases Argued and Determined in the High Court of Chancery: During by Great Britain Court of Chancery, Edward Thurlow Thurlow, Alexander Wedderburn Rosslyn, Jonathan Cogswell Perkins (1845)
"Order for a duplicate Commission; and the Inquisition, which was recovered, to be annexed to it THE Petition, by a Solicitor, who had taken out a Commission ..."

7. Probate and Administration, Law and Practice in Common Form and Contentious by William John Dixon (1885)
"A duplicate is part of a will,2 or, more clearly, the counterpart. The law enables a person, by executing testamentary documents simultaneously, ..."

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