quadruple

[ kwo-droo-puh l, -druhp-uh l, kwod-roo-puh l ]

/ kwɒˈdru pəl, -ˈdrʌp əl, ˈkwɒd rʊ pəl /

adjective

fourfold; consisting of four parts: a quadruple alliance.

four times as great.

Music. having four beats to a measure.

noun

a number, amount, etc., four times as great as another.

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 or without object), quad·ru·pled, quad·ru·pling.

to make or become four times as great: To serve 24 people, quadruple the recipe. My savings quadrupled in 20 years.

Nearby words

quadrumane, quadrumanous, quadrumvir, quadrumvirate, quadruped, quadruple, quadruple run, quadruple time, quadruplet, quadruplex, quadruplicate

Origin of quadruple

1325–75; Middle English < Latin quadruplus; cf. quadru-, duple

Related forms

quad·ru·ple·ness, nounquad·ru·ply, adverb

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for quadrupled

One month later, the number of cases had quadrupled, with WHO showing more than 208 cases and 130 deaths.
1976 Vs. Today: Ebola’s Terrifying Evolution|Abby Haglage|September 10, 2014|DAILY BEAST
One likely reason for their growth is rising oil prices, which have quadrupled since 2002.
Fact-Checking the Sunday Shows: July 27|PunditFact.com|July 27, 2014|DAILY BEAST
Phone taps, as it happens, more than quadrupled between 2001 and 2008.
Sarkozy’s Surveillance Scandal|Tracy McNicoll|March 22, 2014|DAILY BEAST
Since 1990, the state's Hispanic population has increased eight-fold, while the Asian-American population has quadrupled.
A Carter Could Turn Georgia Blue|Patricia Murphy|March 14, 2014|DAILY BEAST

The number of deaths from these drugs has quadrupled over the last ten years.
These Are The 5 Scary Health Threats The CDC Will Tackle In 2014|Brandy Zadrozny|December 16, 2013|DAILY BEAST
He also found that his pack had grown soggy and quadrupled in weight, tugging sullenly at his aching shoulders.
The Crimson Gardenia and Other Tales of Adventure|Rex Beach
Deep in a hollow to the left were two mills instead of one, and the noise of ore-crunching rolls was quadrupled in volume.
The Terms of Surrender|Louis Tracy
In the last fifty years the number of known fossil remains of invertebrated animals has been trebled or quadrupled.
The Rise and Progress of Palaeontology|Thomas Henry Huxley
Let them be brought within half the distance, and then attractions and repulsions will both be quadrupled.
Know the Truth; A critique of the Hamiltonian Theory of Limitation|Jesse H. Jones
Whatever strictures may be laid upon careless readers in general may perhaps be quadrupled when applied to bad reading of novels.
Talks on the study of literature.|Arlo Bates

British Dictionary definitions for quadrupled

quadruple

/ (ˈkwɒdrʊpəl, kwɒˈdruːpəl) /

verb

to multiply by four or increase fourfold

adjective

four times as much or as many; fourfold

consisting of four parts

noun

a quantity or number four times as great as another

Derived Forms

quadruply, adverb

Word Origin for quadruple

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