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

Micron shares were down 2.4% in midday trading, having more than quadrupled in the past 12 months.

From Barron's

Zoox will quadruple its service area in San Francisco starting this spring, expanding rides to the eastern half of the city, including the Marina District, North Beach, Chinatown and Pacific Heights neighborhoods.

From Los Angeles Times

Groq countered with roughly $30 billion—a staggering figure that would have more than quadrupled the startup’s valuation, people familiar with the matter said.

From The Wall Street Journal

Heading into the Friday trading session we also have a so-called quadruple witching day of options expiring before the close.

From Barron's

Today is a quadruple witching day, when multiple derivatives expire, potentially increasing market volatility and trading volumes.

From Barron's