quadruple

nouns

a set of four similar things considered as a unit

quadruple, quadruplet, quartet, quartette

a quantity that is four times as great as another

quadruple

is derived from

is a type of (narrower)

the product of a quantity by an integer

"36 is a multiple of 9"

increase fourfold

"His stock earning quadrupled"

quadruple

is derived from

is derived from

is a type of (narrower)

combine or increase by multiplication

"He managed to multiply his profits"

having four units or components

"quadruple rhythm has four beats per measure"; "quadruplex wire"

four times as great or many

"a fourfold increase in the dosage"

four-fold, fourfold, quadruple