• synonyms


[noun, adjective kwo-droo-pli-kit; verb kwo-droo-pli-keyt]
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  1. one of four copies or identical items, especially copies of typewritten material.
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  1. consisting of four identical parts.
  2. pertaining to a fourth item or copy of something.
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verb (used with object), quad·ru·pli·cat·ed, quad·ru·pli·cat·ing.
  1. to produce or copy in quadruplicate.
  2. to make four times as great.
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  1. in quadruplicate, in four identical copies.
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Origin of quadruplicate

1650–60; < Latin quadruplicātus (past participle of quadruplicāre), equivalent to quadruplic- (stem of quadruplex quadruplex) + -ātus -ate1
Related formsquad·ru·pli·ca·tion, quad·ru·pli·ca·ture [kwo-droo-pli-kuh-cher] /kwɒˈdru plɪ kə tʃər/, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words


Examples from the Web for quadruplicate

Historical Examples

  • There was the matter of the wedding, which was now to be in quadruplicate.

    Masters of Space

    Edward Elmer Smith

  • We must not, however, fall into his own mistake and quadruplicate to his duply.

    Matthew Arnold

    George Saintsbury

  • The order received by mail is written up and invoiced in quadruplicate on a snap-out form.

    Warren Commission (7 of 26): Hearings Vol. VII (of 15)

    The President's Commission on the Assassination of President Kennedy

  • Army accounting is wholly unlike civilian, books being dispensed with and accounts of all kinds being made in quadruplicate.

    A Backward Glance at Eighty

    Charles A. Murdock

  • Most common is the "quadruplicate" arrangement, with four sets of laminae of differing depths.

British Dictionary definitions for quadruplicate


adjective (kwɒˈdruːplɪkɪt, -ˌkeɪt)
  1. fourfold or quadruple
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verb (kwɒˈdruːplɪˌkeɪt)
  1. to multiply or be multiplied by four
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noun (kwɒˈdruːplɪkɪt, -ˌkeɪt)
  1. a group or set of four things
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Derived Formsquadruplication, noun

Word Origin

C17: from Latin quadruplicāre to increase fourfold
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for quadruplicate


1650s, from Latin quadruplicatus, past participle of quadruplicare "make fourfold," from quadri- "four" (see quadri-) + plicare "to fold" (see ply (v.1)).

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1660s, from Latin quadruplicatus, past participle of quadruplicare "make fourfold," from quadri- "four" (see quadri-) + plicare "to fold" (see ply (v.1)). Related: Quadruplicated; quadruplicating.

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Online Etymology Dictionary, © 2010 Douglas Harper