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quadruple

[kwo-droo-puh l, -druhp-uh l, kwod-roo-puh l] /kwɒˈdru pəl, -ˈdrʌp əl, ˈkwɒd rʊ pəl/
adjective
1.
fourfold; consisting of four parts:
a quadruple alliance.
2.
four times as great.
3.
Music. having four beats to a measure.
noun
4.
a number, amount, etc., four times as great as another.
5.
something, as a series of acrobatic somersaults, made up of four clearly defined parts or stages:
the first trapeze artist to perform a quadruple successfully.
verb (used with object), verb (used without object), quadrupled, quadrupling.
6.
to make or become four times as great:
To serve 24 people, quadruple the recipe. My savings quadrupled in 20 years.
Origin
1325-1375
1325-75; Middle English < Latin quadruplus; cf. quadru-, duple
Related forms
quadrupleness, noun
quadruply, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for quadruple
  • Meanwhile, line a large fine-mesh metal colander with a quadruple thickness of cheesecloth and set in sink.
  • quadruple the number of faculty members have volunteered to meet with prospective students.
  • Will they double do you think or quadruple under the regulatory regime you wish to implement.
  • Designed to hold ninety thousand inhabitants, the camp is now strained by quadruple that number.
  • In the quadruple there is a rest on one or the other of the middle beats.
  • Injection equipment can quadruple the cost of a single vaccination.
  • First, she improvises a halter and quadruple-wrapped ribbon belt to hoist up her underskirt.
  • During the dotcom boom, volatility rose to quadruple the level it is now.
  • The quadruple summits, with their modest potential, are unlikely to improve things much.
  • She helped quadruple its number of chapters nationwide.
British Dictionary definitions for quadruple

quadruple

/ˈkwɒdrʊpəl; kwɒˈdruːpəl/
verb
1.
to multiply by four or increase fourfold
adjective
2.
four times as much or as many; fourfold
3.
consisting of four parts
noun
4.
a quantity or number four times as great as another
Derived Forms
quadruply, adverb
Word Origin
C16: via Old French from Latin quadruplus, from quadru- (see quadri-) + -plus -fold
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
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Word Origin and History for quadruple
v.

late 14c., from Middle French quadrupler, from Late Latin quadruplare "make fourfold, multiply by four," from Latin quadruplus (adj.) "quadruple, fourfold" (see quadruple (adj.)).

adj.

1550s, from Middle French quadruple (13c.), from Latin quadruplus "fourfold," from quadri- "four" (see quadru-) + -plus "more" (see plus).

Online Etymology Dictionary, © 2010 Douglas Harper
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