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duplicate

[n., adj. doo-pli-kit, dyoo-; v. doo-pli-keyt, dyoo-] /n., adj. ˈdu plɪ kɪt, ˈdyu-; v. ˈdu plɪˌkeɪt, ˈdyu-/
noun
1.
a copy exactly like an original.
2.
anything corresponding in all respects to something else.
3.
Cards. a duplicate game.
verb (used with object), duplicated, duplicating.
4.
to make an exact copy of.
5.
to do or perform again; repeat:
He duplicated his father's way of standing with his hands in his pockets.
6.
to double; make twofold.
verb (used without object), duplicated, duplicating.
7.
to become duplicate.
adjective
8.
exactly like or corresponding to something else:
duplicate copies of a letter.
9.
consisting of or existing in two identical or corresponding parts; double.
10.
Cards. noting a game in which each team plays a series of identical hands, the winner being the team making the best total score.
Idioms
11.
in duplicate, in two copies, especially two identical copies:
Please type the letter in duplicate.
Origin
late Middle English
1400-1450
1400-50; late Middle English < Latin duplicātus (past participle of duplicāre to make double), equivalent to duplic- (stem of duplex) duplex + -ātus -ate1
Related forms
duplicative, adjective
nonduplicating, adjective
nonduplicative, adjective
preduplicate, verb (used with object), preduplicated, preduplicating.
quasi-duplicate, adjective
self-duplicating, adjective
unduplicated, adjective
unduplicative, adjective
Synonyms
1. facsimile, replica, reproduction. 4. See imitate. 9. twofold.
Antonyms
1. original.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for unduplicated

duplicate

adjective (ˈdjuːplɪkɪt)
1.
copied exactly from an original
2.
identical
3.
existing as a pair or in pairs; twofold
noun (ˈdjuːplɪkɪt)
4.
an exact copy; double
5.
something additional or supplementary of the same kind
6.
two exact copies (esp in the phrase in duplicate)
verb (ˈdjuːplɪˌkeɪt)
7.
(transitive) to make a replica of
8.
(transitive) to do or make again
9.
(transitive) to make in a pair; make double
10.
(intransitive) (biology) to reproduce by dividing into two identical parts the chromosomes duplicated in mitosis
Derived Forms
duplicable (ˈdjuːplɪkəbəl) adjective
duplicability, noun
duplicately, adverb
duplicative, adjective
Word Origin
C15: from Latin duplicāre to double, from duo two + plicāre to fold
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for unduplicated
duplicate
early 15c., from L. duplicatus, pp. of duplicare "to double," from duo "two" + plicare "to fold" see ply (v.)). The noun is first recorded 1530s. The verb is attested from 1620s. Related: Duplicated; duplicating.
Online Etymology Dictionary, © 2010 Douglas Harper
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