from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Identically copied from an original.
- adj. Existing or growing in two corresponding parts; double.
- adj. Denoting a manner of play in cards in which partnerships or teams play the same deals and compare scores at the end: duplicate bridge.
- n. An identical copy; a facsimile.
- n. One that corresponds exactly to another, especially an original.
- n. Games A card game in which partnerships or teams play the same deals and compare scores at the end.
- transitive v. To make an exact copy of.
- transitive v. To make twofold; double.
- transitive v. To make or perform again; repeat: a hard feat to duplicate.
- intransitive v. To become duplicate.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. being the same as another; identical. This may exclude the first identical item in a series, but usage is inconsistent.
- v. to make a copy of
- v. to do repeatedly; to do again
- v. to produce something equal to
- n. One that resembles or corresponds to another; an identical copy.
from the GNU version of the Collaborative International Dictionary of English
- adj. Double; twofold.
- n. That which exactly resembles or corresponds to something else; another, correspondent to the first; hence, a copy; a transcript; a counterpart.
- n. 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.
- transitive v. To double; to fold; to render double.
- transitive v. To make a duplicate of (something); to make a copy or transcript of.
- transitive v. To divide into two by natural growth or spontaneous action.
from The Century Dictionary and Cyclopedia
- To double; repeat; produce a second (like the first); make a copy or copies of.
- In physiology, to divide into two by natural growth or spontaneous division: as, some in-fusorians duplicate themselves.
- To become double; repeat or be repeated; specifically, in ecclesiastical use, to celebrate the mass or holy communion twice in the same day. See duplication.
- Double; twofold; consisting of or relating to a pair or pairs, or to two corresponding parts: as, duplicate spines in an insect; duplicate examples of an ancient coin; duplicate proportion.
- Consisting of a double number or quantity; multiplied by two.
- Exactly like or corresponding to something made or done before; repeating an original; matched: as, there are many duplicate copies of this picture; a duplicate action or proceeding.
- n. One of two or more things corresponding in every respect to each other.
- n. Specifically, in law and com.
- n. An instrument or writing corresponding in every particular to a first or original and of equal validity with it; an additional original.
- n. A second copy of a document, furnished by authority when the original has been lost, defaced, or invalidated.
- n. One of two or more things each of which corresponds in all essential respects to an original, type, or pattern; another corresponding to a first or original; another of the same kind; a copy: as, a duplicate of a bust.
- In whist and bridge, to play the same cards over again, as nearly as possible under the same conditions, each side getting the hands originally held by its opponents.
- In botany, folded.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. something additional of the same kind
- adj. being two identical
- n. a copy that corresponds to an original exactly
- v. make a duplicate or duplicates of
- v. duplicate or match
- adj. identically copied from an original
- v. make or do or perform again
- v. increase twofold
Middle English, from Latin duplicātus, past participle of duplicāre, to double, from duplex, duplic-, twofold; see dwo- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin duplicatus (past participle of duplicare). (Wiktionary)