Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Multiplied by four; quadruple.
  • adjective Fourth in a group of four identical things.
  • noun One of a group of four identical things.
  • transitive & intransitive verb To multiply or be multiplied four times.

from The Century Dictionary.

  • Fourfold; four times repeated: as, a quadruplicate ratio or proportion. Also quadriplicated.
  • noun One of four things corresponding in all respects to one another, or to a common original.
  • To make fourfold; double twice.

from the GNU version of the Collaborative International Dictionary of English.

  • transitive verb To make fourfold; to double twice; to quadruple.
  • adjective Fourfold; doubled twice; four times repeated.
  • adjective (Math.), rare Raised to the fourth power.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective having four parts
  • noun in quadruplicate: four times over, in four copies
  • verb To replicate four times

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun any four copies; any of four things that correspond to one another exactly
  • verb reproduce fourfold
  • adjective having four units or components

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Latin quadruplicātus, past participle of quadruplicāre, to multiply by four, from quadruplex, fourfold : quadru-, quadri-, quadri- + -plex, -fold; see duplex.]

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Examples

  • In time he returns, and fills out a FIM, a ticket-sized little form that comes in quadruplicate, in a laborious manner that suggests he has never seen one before and is a bit suspicious about the use of ink-based writing implements.

    Discourse.net: Travel Stories 2008

  • Zachary Nixion Johnson has problems in quadruplicate, in the form of four super powered sisters.

    Archive 2007-04-01 Blue Tyson 2007

  • We didn't send out forms in quadruplicate or say that a certain number of literacy coaches or that many math tutorials had to happen.

    "Excellence For All" 2004

  • Each claim shall be filed in quadruplicate with the war agency with respect to whose contracts and subcontracts claim for loss is made.

    EXECUTIVE ORDER 9786 1946

  • A list in quadruplicate, typed, single space, in Spanish.

    Oh, no, not more FM3 Info--Yes, and it's current (in KC anyway) 1919

  • Well, the visa-issuing bureaucracy has only just creaked into a world where paper forms are no longer sent out with three sheets of carbon paper to be completed and filed in quadruplicate.

    Matthew Yglesias » Very Rare Terrorists Are Very Hard to Find 2009

  • I plan to go armed with all the documents I think they may require, in quadruplicate.

    Applying for FM3 in Morelia vs. Orlando, FL 2005

  • In sum, if forms that should have been filled out in triplicate were, wastefully, filled out in quadruplicate, or alternatively, filled out malfeasantly in duplicate, I will leave no stone unturned to identify the culprits.

    Green Energy's Mr. Fixit Jr. Holman W. Jenkins 2011

  • She had written her phone number down in triplicate, quadruplicate, octuplicate, on little pieces of paper that she had pinned to his shirt in a safety jacket pattern to protect him on his walk home.

    Wipe Your Feet at the Door of Sex Jeremy Cairns 2010

  • The dark side of the growth is that significant gaps remain for top ranking journals and serials, and the number of duplicate, triplicate and quadruplicate records for the same source documents (which Google Scholar cannot detect reliably) has increased

    Internet News: Google Scholar - still problems 2008

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