Word forms: plural, 3rd person singular presenttense duplicates, present participle duplicating, past tense, past participle duplicatedpronunciation note: The verb is pronounced (djuːplɪkeɪt, US duː-). The noun and adjective are pronounced (djuːplɪkət, US duː-).
1. verb
If you duplicate something that has already been done, you repeat or copy it.
His task will be to duplicate his success overseas here at home. [VERB noun]
Scientists hope that their findings may be duplicated elsewhere. [VERB noun]
Duplicate is also a noun.
Charles scored again, with an exact duplicate of his first goal.
2. verb
To duplicate something which has been written, drawn, or recorded onto tape means to make exact copies of it.
She found Ned alone in the photocopy room, duplicating some articles. [VERB noun]
...a business which duplicates video and cinema tapes for the movie makers. [VERB noun]
Duplicate is also a noun.
I'm on my way to Switzerland, but I've lost my card. I've got to get a duplicate.
3. adjective [ADJECTIVE noun]
Duplicate is used to describe things that have been made as an exact copy of other things, usually in order toserve the same purpose.
He let himself in with a duplicate key.
...a duplicate copy of the loan contract.
Synonyms: identical, matched, matching, twin More Synonyms of duplicate
4. See also duplication
More Synonyms of duplicate
duplicate in British English
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 (ˌduplicaˈbility)
noun
duplicately (ˈduplicately)
adverb
duplicative (ˈduplicative)
adjective
Word origin
C15: from Latin duplicāre to double, from duo two + plicāre to fold
duplicate in American English
(ˈduplɪkɪt; ˈdjuplɪkɪt; for v., ˈduplɪˌkeɪt)
adjective
1.
double
2.
having two similar parts
3.
corresponding exactly
4.
designating a way of playing bridge in which, for comparative scoring, the same hands are played off again by players who did not hold them originally
noun
5.
an exact copy or reproduction; replica; facsimile
6.
a counterpart or double
7.
the game of duplicate bridge
8. US
tax duplicate
verb transitiveWord forms: ˈdupliˌcated or ˈdupliˌcating