quadruple

[ kwo-droo-puhl, -druhp-uhl, kwod-roo-puhl ]
/ 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.

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Origin of quadruple

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

OTHER WORDS FROM quadruple

quad·ru·ple·ness, nounquad·ru·ply, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for quadruple

British Dictionary definitions for quadruple

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 of quadruple

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