quadruple

American  

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

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noun

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

2. 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)

quadrupled, quadrupling

1. to make or become four times as great.

   To serve 24 people, quadruple the recipe. My savings quadrupled in 20 years.

quadruple British  

/ kwɒˈdruːpəl, ˈkwɒdrʊpəl /

verb

1. to multiply by four or increase fourfold

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adjective

1. four times as much or as many; fourfold

2. consisting of four parts

noun

1. a quantity or number four times as great as another

Other Word Forms

• quadrupleness noun
• quadruply adverb

Etymology

Origin of quadruple

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

Example Sentences

Power consumption by data centres in Indonesia -- where coal generates nearly 70 percent of electricity -- will likely quadruple by 2030, according to energy think tank Ember.

From Barron's

Over this period, the Indian navy more than doubled its tonnage, but China’s naval tonnage more than quadrupled.

From The Wall Street Journal

Data from two YouGov surveys appeared to suggest the number of young people regularly attending church had quadrupled over a period of six years.

From BBC

An annual screening with the Galleri test, plus the standard screening, quadrupled the cancer-detection rate of several cancers compared with standard screening by itself, the company noted.

From MarketWatch

The stock has more than tripled in the past year, but still lags behind Micron and SK Hynix, which have more than quadrupled over the same period.

From Barron's