Definitions

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

  • adj. Multiplied by four; quadruple.
  • adj. Fourth in a group of four identical things.
  • n. One of a group of four identical things.
  • transitive v. To multiply or be multiplied four times.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. having four parts
  • n. in quadruplicate: four times over, in four copies
  • v. To replicate four times

from the GNU version of the Collaborative International Dictionary of English

  • transitive v. To make fourfold; to double twice; to quadruple.
  • adj. Fourfold; doubled twice; four times repeated.
  • adj. Raised to the fourth power.

from The Century Dictionary and Cyclopedia

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

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

  • n. any four copies; any of four things that correspond to one another exactly
  • v. reproduce fourfold
  • adj. having four units or components

Etymologies

Latin quadruplicātus, past participle of quadruplicāre, to multiply by four, from quadruplex, fourfold : quadru-, quadri-, quadri- + -plex, -fold; see duplex.
(American Heritage® Dictionary of the English Language, Fourth Edition)

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

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

    Archive 2007-04-01

  • 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"

  • 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

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

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

  • 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

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

    Applying for FM3 in Morelia vs. Orlando, FL

  • 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

  • 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

  • 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

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