DUPLICATE

duplicate, matching, twin, twinned

(adjective) being two identical

duplicate

(adjective) identically copied from an original; “a duplicate key”

duplicate, duplication

(noun) a copy that corresponds to an original exactly; “he made a duplicate for the files”

extra, duplicate

(noun) something additional of the same kind; “he always carried extras in case of an emergency”

double, duplicate

(verb) increase twofold; “The population doubled within 50 years”

duplicate, reduplicate, double, repeat, replicate

(verb) make or do or perform again; “He could never replicate his brilliant performance of the magic trick”

duplicate

(verb) make a duplicate or duplicates of; “Could you please duplicate this letter for me?”

twin, duplicate, parallel

(verb) duplicate or match; “The polished surface twinned his face and chest in reverse”

Source: WordNet® 3.1

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Etymology

Adjective

duplicate (not comparable)

Being the same as another; identical.

(games) In which the hands of cards, tiles, etc. are preserved between rounds to be played again by other players.

Verb

duplicate (third-person singular simple present duplicates, present participle duplicating, simple past and past participle duplicated)

(transitive) To make a copy of.

(transitive) To do repeatedly; to do again.

(transitive) To produce something equal to.

Synonyms

• (to make a copy of): double; see also duplicate

Noun

duplicate (countable and uncountable, plural duplicates)

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

(legal) An original instrument repeated; a document which is the same as another in all essential particulars, and differing from a mere copy in having all the validity of an original.

A pawnbroker's ticket, which must be shown when redeeming a pledged item.

(uncountable) The game of duplicate bridge.

(uncountable) The game of duplicate Scrabble.

(botany, zoology) A biological specimen that was gathered alongside another specimen and represents the same species.

Synonyms

• reproduction

Source: Wiktionary

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Du"pli*cate, a. Etym: [L. duplicatus, p. p. of duplicare to double, fr. duplex double, twofold. See Duplex.]

Definition: Double; twofold. Duplicate proportion or ratio (Math.), 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.

Du"pli*cate, n.

1. That which exactly resembles or corresponds to something else; another, correspondent to the first; hence, a copy; a transcript; a counterpart. I send a duplicate both of it and my last dispatch. Sir W. Temple.

2. (Law)

Definition: An original instrument repeated; a document which is the same as another in all essential particulars, and differing from a mere copy in having all the validity of an original. Burrill.

Du"pli*cate, v. t. [imp. & p. p. Duplicated; p. pr. & vb. n. Duplicating.]

1. To double; to fold; to render double.

2. To make a duplicate of (something); to make a copy or transcript of. Glanvill.

3. (Biol.)

Definition: To divide into two by natural growth or spontaneous action; as, infusoria duplicate themselves.

Source: Webster’s Unabridged Dictionary 1913 Edition

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