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quadruplicate

[noun, adjective kwo-droo-pli-kit; verb kwo-droo-pli-keyt]
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noun
  1. one of four copies or identical items, especially copies of typewritten material.
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adjective
  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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Idioms
  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

British Dictionary definitions for quadruplication

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 quadruplication

n.

1570s, from Latin quadruplicationem (nominative quadruplicatio), noun of action from past participle stem of quadruplicare (see quadruplicate (v.)).

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quadruplicate

adj.

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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quadruplicate

v.

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